luminus cxm22 build in 3x3 vivosun tent

I have decided given the limited space I have to purchase (2) 3'x3'x6' tents. Still deciding between VivoSun, Apollo, Milliard, and IPower. Any input on those would be heavily appreciated as I have never purchased pr grown in a tent, my background has been in basements with HPS/MH lights. I now...