Most conventional mortgages prefer at least 20 percent down, which, depending on the loan you need, could be problematic. Down payment requirements for jumbo loans--requiring higher mortgage balances than Fannie Mae will purchase--vary, but are in the 20 percent range.
Best Answer: it depends on your oven. electric ovens take much longer to heat up than gas ovens. My electric at my old house took 20 to 30 minutes to get to 375 my gas oven in the house im at now takes about 15 to 20 minutes.est Answer: it depends on your oven. electric ovens take much longer to heat up than gas ovens. My electric at my old house took 20 to 30 minutes to get to 375 my gas oven in the house im at now takes about 15 to 20 minutes.
Instructions. Place one rack in the center of the oven. Remove the other racks from the oven, if you wish. Turn the oven at a common cooking temperature, such as either 325 or 350 degrees. Wait about five to 10 minutes so your oven preheats.The time you wait depends on how long it normally takes your oven to preheat.Put on the oven mitt. Open the oven. Hang the oven thermometer somewhere in the center part of the rack.urn the oven at a common cooking temperature, such as either 325 or 350 degrees. Wait about five to 10 minutes so your oven preheats. The time you wait depends on how long it normally takes your oven to preheat. Put on the oven mitt. Open the oven. Hang the oven thermometer somewhere in the center part of the rack.