What size pot for auto's, I've only used 3 gallon, should I use 4-5 gallon pots next grow?

Well Batman kind of thinks of the plants as being like gold fish. If you leave them in a small bowl they stay small but if you put them in a bigger bowl they grow bigger and if you put them in a pond then you end up with a fucking lockness monster of a gold fish. So yeh most strains I've found the bigger the pot the bigger the plant. I make my own air pots that work amazing and I can literally go as big as I want the way I make them so hit me up if ya want to know more or check my next grow I'll be putting up today I've went even bigger this time around 50 litres or even more but the way I make them so cheap but massively effective.