How can you pay your morgage in one day?

You can pay your mortgage in one day by selling fruit over and over again until you get the amount as the mortgage, then pay it all so you can get your house bigger!

1.You can Shake trees like crazy, ALL of them, Then sell the fruit, most of the trees without fruit will give you 100 bells or furniture or a nasty bee sting but don't worry after you shaken all the trees and gotten all the stings, go to bed and the should be gone.
2. Collect seashells then sell them, save your game wait for about 5 minutes then get on again and there should be more shells.
3. Go to the town gate then talk to the dog on the left and select "I've lost something" take everything but the pitfall seeds (worthless)
4. Go to The Town Hall and take every thing in the recycling bin then sell it.
5. Keep making new Characters and work for nook each character will get you 1400 bells off your mortgage.