Thanks, I live in Jackson, MS ZONE 8b
Here is a link to Rion. They have various greenhouse sizes. The kit took me about a week to put together alone. Extra helpers would make it go faster. There are probably cheaper greenhouses on the market, but this one appealled to me. My set up cost me $3500 (when all said and done).
Rion Prestige Greenhouses - Rion Prestige Greenhouse Kits - Free Shipping