There is a new rule from the Tax Court case of Bobrow which now allows only one 60-day rollover per year1. Prior to this case, you could take a distribution from an IRA in your name (not taking withholdings), use the money for something and roll it back into the IRA within 60 days with no tax. You could do this with different IRAs, allowing you to effectively get a series of tax-free loans from your IRAs. The IRS even indicated, in Publication 590, that you could do a 60-day rollover from each IRA separately. The Tax Court disagreed with this position and has ruled that you may now only take one 60- day rollover from all your IRAs in any 12-month period. If you do decide to take a rollover (where you use the money), do it only once from all of your IRAs within the 12 months.
1Alvan L. Bobrow et ux., 107 T.C.M. 1110 (2014)