Start by doing some research for your local area.
What type of pools work best for your ground condition; Gunite, Fiberglass, Vinyl Liner, Above Ground, etc?
If it is gunite, what style do you want; F ... read more
Yes you really should. With freezing temps, frost, and the funny movement of the earth and setteling its best to just do it right the first time.
Pour a 4" slab with some 18" OC Rebar (18" on center). ... read more