It has not been tried but I think you can't. I know you can grow a money tree, though.
you pay your loan
Get different seeds.
No. It can only be grown outside.
It takes 4 days for a money tree to grow, but the money is not guaranteed.
no
sadly no, trees just grow acorns during the acorn festival
No, but search "money tree animal crossing" to get tips on how to grow a money tree.
you can't grow acorn trees, when you bury acorns they are like burying an object rather than a fruit.
it will take either 3 days to a week or sometimes they don't grow back
No, you have to plant them again. You can either buy the saplings from Nook's or plant a fruit to regrow a tree.
no
No, there isn't unless you reset the clock to a later date, but that will probably make your roses wilt.