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.
Place the roast on a rack in a roasting pan, fat side up, and put the roast in the 450 degree preheated oven. Roast for 10 minutes, then RE-SET THE OVEN TEMPERATURE TO 250 DEGREES.Continue cooking for about 50-80 minutes or until the meat registers 150 degrees on a meat thermometer.lace the roast on a rack in a roasting pan, fat side up, and put the roast in the 450 degree preheated oven. Roast for 10 minutes, then RE-SET THE OVEN TEMPERATURE TO 250 DEGREES.