Frank wrote:

A properly finished fabric covered aircraft can be tied down outside for
approximately 20 yrs. before requiring recover, according to the fabric
suppliers.


Yes, Like Frank says, don't rule out fabric airplane. I have seen many
fabric airplanes live outside for 20 years. If your airplane lives
outside and you have a hail storm, you would wish you had fabric. You
ever try to replace all the skin on an aluminum airplane?