You said you wanted room in your tents for stuff that you may need to put in there like a/c, dehumidifier, etc... You go with an 8x8 or 4x8 with 4 or 2 trays in there and you have NO room to put anything else. You kinda gotta figure out which way you want to go from the beginning or it will cost you more in the end. You have a 4x8 tent packed with 2 4x4 trays and it's gonna be a butch getting to some of the plants in the back. You can run your a/c and dehumidifier in the bedroom and control the environment in the tents with active intakes. Maybe run 4x8 tents with 3x3 tables and 400w lights. If you are doing a SOG then you won't need anything more than 400w and it has a footprint of 3x3. Gives you a little room to play with in the tent and also allows you to reach the back corners. Plus it's less electricity and cooling to worry about.
Doing a flip doesn't lower your electricity bill. It just splits the load you are running in half. Instead of running 4 lights for 12 hours a day you are running 2 lights for 24 hours a day basically. 12 hours in the first tent then 12 hours in the second tent. The reason for doing this is that sometimes you can't put all of that electrical load on your breaker panel cause you don't have enough free amperage. Therefore you split it in two and run them on different cycles. You could also get 240v ballasts which would help reduce the load on your panel if you wanted to run them all at the same time. It's hard to say when I don't know your exact electrical situation.
I'd set itup like this. Not all right away but 1 tent then another in the future. 9 plants per tray. 9 plants in veg. 400w lights. All the lights and a/c on a 240v subpanel. I would need more info to figure out the ducting, etc...If you have a breaker panel in the apartment or somewhere that only you have access to then running this setup would not be hard to wire up at all and really wouldn't use that much power. 400w lights use 3.6amps max. That would be 7amps at one time in lighting. That's 30% less than running a single 1000w light for 12 hours. You could easily get away with that. Then just run one of those Clone Lab 2x4 tents in your room that has the shelves in it. 3 moms on the bottom under a T5 and clones on the top shelf with some CFL's.
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haha and unfourtunalty the door is like right at 8 feet so two 4x8s wouldnt work so i get all sad but then i get the great idea i cud jus do a 3x6 and a 4x8. ok so im trying to be as cool as you how do u like this layout..