Can i rent the car to go to LA and then give back the car in LA?

Normally it is possible. If there is so much leasing between your City and LA possible they don't charge any fee.

yes you can. they'll charge you a fee.

Yes you can choose a different return location from pickup but you will be charged a fee.

As far as I know, Yes You could. They have Alamo in all airports.

Far as I know yes

I rented mine in Tampa and left it in Orlando

Yes, if you say so when booking