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.
Close the oven door completely. Wait approximately 10 minutes. Then, check the oven thermometer to see if it's equal to the temperature you set in Step 2. Close the oven door completely once more. Wait another five to 10 minutes before checking the thermometer one final time.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.