Upper-income taxpayers should make these moves throughout the year to keep their bill low at tax time. Here are the areas where you should look for savings:

At work
Car and home
Charitable contributions
College savings
Inheritance
Investments and retirement savings
Rental property
Your children

AT WORK

Give yourself a raise. The odds are high that you're having too much tax taken out of your paycheck every payday. The evidence is clear if you have a big refund coming. About 90 million of the returns filed in 2006 called for refunds averaging more $2,200. Filing a new W-4 form with your employer (get one from your payroll office) will insure that you get more of your money when you earn it. See our easy-to-use withholding calculator to help you figure how many allowances you should claim. Suggest that your husband or wife do the same. If you're just average, you deserve almost $200 a month extra.

Take advantage of your flex account. Be aggressive if your employer offers a medical reimbursement account -- sometimes called a flex plan. It lets you divert part of your salary to an account, which you then tap to pay medical bills. The advantage? You avoid both income and Social Security tax on the money -- and that can save you 20% to 35% or more compared with spending after-tax money.

Change in family = change in flex plan. If you get married or divorced, or have or adopt a child during the year, you can change the amount you're setting aside in a medical reimbursement plan. If you anticipate more medical bills, steer more pretax money into the account; if you anticipate fewer, you can pull back on your contributions so you don't have to worry about the use-it-or-lose-it rule.

Make the most of a child-care reimbursement account. If Mom and Dad both work and have access to a flex plan, it's worth more to a spouse whose salary is below the Social Security wage base (an estimated $98,200 for 2007 and $102,000 in 2008) than to one who exceeds it. Money you run through a reimbursement plan avoids the Social Security levy as well as the income tax. That saves an extra 6.2% for those whose earnings are under the wage base.

Switch to a Roth 401(k). If your employer offers the new breed of 401(k), seriously consider opting for it. Unlike the regular 401(k), money coming out of a Roth 401(k) in retirement will be tax-free ... at a time you may well be in a higher bracket.

Pay tax sooner than later on restricted stock. If you receive restricted stock as a fringe benefit, consider making what's called an 83(b) election. That lets you pay tax immediately on the value of the stock rather than waiting until the restrictions disappear when the stock "vests." Why pay tax sooner rather than later? Because you pay tax on the value at the time you get the stock, which could be far less than the value at the time it vests. Tax on any appreciation that occurs in between then qualifies for favorable capital gains treatment. Don't dally: You only have 30 days after receiving the stock to make the election.

Stash cash in a self-employed retirement account. If you have your own business, you have several choices of tax-favored retirement accounts, including Keogh plans, Simplified Employee Pensions (SEPs) and individual 401(k)s. Contributions cut your tax bill now while earnings grow tax-deferred for your retirement.

Hire your children. If you have an unincorporated business, hiring your children can have real tax advantages. You can deduct what you pay them, thus shifting income from your tax bracket to theirs. Because wages are earned income, the "kiddie tax" does not apply. And, if the child is under age 18, he or she does not have to pay Social Security tax on the earnings. One more advantage: The earnings can serve as a basis for an IRA contribution.

Choose the right kind of business. Beyond choosing what business to go into, you also have to decide on the best form for your business: a sole proprietorship, a subchapter S corporation, a C-corp or a limited-liability company (LLC). Your choice will have a major impact on your taxes.

Don't be afraid of home-office rules. If you use part of your home regularly and exclusively for your business, you can qualify to deduct as home-office expenses some costs that are otherwise considered personal expenses, including part of your utility bills, insurance premiums and home maintenance costs. Some home-business operators steer away from these breaks for fear of an audit. But if you deserve them, claim them.

Watch start-up costs. Generally, the costs of starting up a new business must be amortized, that is, deducted over years in the future. But you can deduct up to $5,000 of start-up costs in the year you incur them, when the tax savings could prove particularly helpful.

CAR AND HOME

Take Uncle Sam for a ride. You can drive away with a credit that will reduce your tax bill dollar for dollar if buy a gasoline/electric hybrid before December 31, 2010. The size of the tax credit depends on how fuel stingy your new car is, but the savings can range from several hundred dollars up to 3,400. (See Details.)

CHARITABLE CONTRIBUTIONS

Tote up out-of-pocket costs of doing good. Keep track of what you spend while doing charitable work, from what you spend on stamps for a fundraiser, to the cost of ingredients for casseroles you make for the homeless, to the number of miles you drive your car for charity. Add such costs with your cash contributions when figuring your charitable contribution deduction.

Put away your checkbook. If you plan to make a significant gift to charity, consider giving appreciated stocks or mutual fund shares that you've owned for more than one year instead of cash. Doing so supercharges the saving power of your generosity. Your charitable contribution deduction is the fair market value of the securities on the date of the gift, and you never have to pay tax on the profit.

Be creative with your generosity. A charitable-remainder trust can avoid capital gains taxes on appreciated assets, allow you to receive income for life and receive a tax deduction now for a charitable contribution that will be made after your death. A charitable-lead trust can avoid taxes on appreciated assets, earn an immediate tax deduction and still provide an inheritance for your heirs later. A donor-advised fund can earn you a tax deduction for the full value of appreciated assets now, even though you don't have to determine the recipients of your generosity until later years.

COLLEGE SAVINGS

Use a Roth to save for college. Sure, the "R" in IRA stands for retirement, but because you can withdraw contributions at any time tax and penalty free, the account can serve as a terrific tax-deferred college-savings plan. Say you and your spouse each stash $4,000 in a Roth starting the year a child is born. After 18 years, the dual Roths would hold $360,000, assuming 9% annual growth. Up to $144,000 -- the total of the contributions -- can be withdrawn tax- and penalty-free to pay college bills, and any part of the interest can be withdrawn penalty-free, too.

Save for college the tax-smart way. Stashing money in a custodial account can save on taxes. But it can also get you tied up with the expensive "kiddie tax" rules and gives full control of the cash to your child when he or she turns 18 or 21. Using a state-sponsored 529 college savings plan can make earnings completely tax free and lets you keep control over the money. If one child decides not to go to college, you can switch the account to another child or take it back.

INHERITANCE

Pinpoint the stepped-up basis of property you inherit. In most cases, the tax basis of inherited property -- that's the value from which you will figure gain or loss when you sell -- is "stepped up" to the value on the day the previous owner dies. Tax on all appreciation during his or her lifetime is forgiven. If you inherited assets in 2007 or will in 2008, be sure you pinpoint your basis so you don't overpay your tax later. Taxpayers who know about this break save billions of dollars each year.

Roll over an inherited 401(k). If you are named a beneficiary of a 401(k) plan, take advantage of a new rule that arrived in 2007. For the first time, non-spouses can roll over the account into an IRA and stretch payouts (and the tax bill on them) over your lifetime. This can be a tremendous advantage over the old rules that generally required such accounts be cashed out, and all taxes paid, within five years or fewer.

INVESTMENTS AND RETIREMENT SAVINGS

Check the calendar befor you sell. You must own an investment for more than one year for profit to qualify as a long-term gain and enjoy preferential tax rates. The "holding period" starts on the day after you buy a stock, mutual fund or other asset and ends on the day you sell it.

Don't buy a tax bill. Before you invest in a mutual fund near the end of the year, check to see when the fund will distribute dividends. On that day, the value of shares will fall by the amount paid. Buy just before the payout and the dividend will effectively rebate part of your purchase price, but you'll owe tax on the amount. Buy after the payout, and you'll get a lower price, and no tax bill.

Scour your portfolio for paper losses. Never make investment decisions solely for tax reasons, but the prospect of realizing a money-saving tax loss might be the impetus you need to unload a loser. If you incur losses during the year, ask yourself if it's time to take some money off the table by selling stocks or mutual funds that have enjoyed healthy run-ups in value. Offsetting losses could make your gains tax-free.

Avoid the wash sale rule. If you sell a stock, bond or mutual fund for a loss and then buy back the identical security within 30 days, you can't claim the loss on your tax return. The IRS considers the transaction a wash because your economic situation really hasn't changed. It's easy to avoid being stung by the "wash sale" rule, though. Watch the calendar, or buy similar but not identical securities.

Think twice about selling stock for a profit if you're subject to the AMT. Although long-term capital gains benefit from the same 15% maximum rate under both the regular tax rules and the alternative minimum tax, a capital gain can effectively cost more than 15% in AMT-land. The special AMT exemption is phased out as income rises so, for example, a $1,000 capital gain can wipe out $250 of the exemption, effectively exposing $1,250 to tax. That means your tax bill rises by more than $150 for that $1,000 gain.

Consider tax-free bonds. It's easy to figure whether you'll come out ahead with taxable or tax-free bonds. Simply divide the tax-free yield by 1 minus your federal tax bracket to find the "taxable-equivalent yield." If you're in the 33% bracket, your divisor would be 0.67 (1 - 0.33). So, a tax-free bond paying 5% would be worth as much to you as a taxable bond paying 7.46% (5/0.67).

Keep a running tally of your basis. For assets you buy, your "tax basis" is basically how much you have invested. It's the amount from which gain or loss is figured when you sell. If you use dividends to purchase additional shares, each purchase adds to your basis. If a stock splits or you receive a return-of-capital distribution, your basis changes. Only by carefully tracking your basis can you protect yourself from overpaying taxes on your profits when you sell.

Tell your broker which shares to sell. Doing so gives you more control over the tax consequences when you sell stock. If you fail to specifically identify the shares to be sold, the tax law's FIFO (first-in-first-out) rule comes into play, and the shares you've owned the longest (and perhaps the ones with the biggest gain) are considered to be sold. With mutual funds, an "average basis" can be used when determining gain or loss; but that alternative isn't available for stocks.

Beware of Uncle Sam's interest in your divorce. Watch the tax basis -- that is, the value from which gains or losses will be determined when property is sold -- when working toward an equitable property settlement. One $100,000 asset might be worth a lot more -- or a lot less -- than another, after the IRS gets its share. Remember: Alimony is deductible by the payer and taxable income to the recipient; a property settlement is neither deductible nor taxable.

Undo a Roth conversion gone bad. When you convert a traditional IRA to a Roth, you must pay tax on the amount you convert. But what if the investments in the new Roth IRA fall in value? You get a chance for a do-over. You have until October 15 of the year following the conversion to "unconvert" and avoid paying tax on the money that evaporated. You can then redo the conversion the following year.

RENTAL PROPERTY

Watch the calendar at your vacation home. If you hope to deduct losses attributable to renting the place during the year, be careful not to use the house too much yourself. As far as the IRS is concerned, "too much" is when personal use exceeds more than 14 days or more than 10% of the number of days the home is rented. Time you spend doing maintenance or repairs does not count as personal use, but time you let friend or relatives use the place for little or no rent does.

Take advantage of tax-free rental income. You may not think of yourself as a landlord, but if you live in an area that hosts an event that draws a crowd (a Super Bowl, say, or major golf tournament), renting out your home temporarily could make you a bundle -- tax free -- while getting you out of town when tourists overrun the place. A special provision in the law lets you rent a home for up to 14 days a year without having to report a dime of the money you receive as income.

YOUR CHILDREN

Fund a Roth for you child or grandchild. As soon as a child has income from a job -- such as babysitting, a paper route, working retail -- he or she can have an IRA. The child's own money doesn't have to be used to fund the account (fat chance that it would). Instead, a generous parent or grandparent can provide the funds, or perhaps match the child's contributions dollar for dollar. Long-term, tax-free growth can be remarkable.

Minimize the bite of the kiddie tax. The rule that taxes on a child's income at the parents' rate now covers children up to age 18. You can minimize the damage by steering a child's investments into tax-free municipal bonds or growth stocks that won't be sold until the child turns 18.

Help your children earn credit for retirement savings. This credit can be as much as $1,000, based on up to 50% of the first $2,000 contributed to an IRA or company retirement plan. It's available only to low-income taxpayers, though, who are often the least able to afford such contributions. Parents can help, however, by giving an adult child (who cannot be claimed as a dependent) the money to fund the retirement account contribution. The child not only saves on taxes but also saves for his or her retirement.

Tally adoption expenses. Thousands of dollars of expenses incurred in connection with adopting a child can be recouped via a tax credit, so it pays to keep careful records. In 2007, the credit could be as high as $11,390. If you adopt a special needs child, you get the maximum credit even if you spend less.

Pay child-care bills with pre-tax dollars. After taxes, it can easily take $7,500 or more of salary to pay $5,000 worth of child care expenses. But, if you use a child-care reimbursement account at work to pay those bills, you get to use pre-tax dollars. That can save you one-third or more of the cost because you avoid both income and Social Security taxes. If your boss offers such a plan, take advantage of it.

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