WHICH HOMEBREW FERMENTER SHOULD I BUY?

SPIGOTS: https://amzn.to/33wRUHq
3 PIECE AIRLOCKS: https://amzn.to/2Xs6goT
STEP BIT: https://amzn.to/2PziCXH
SPADE BIT: https://amzn.to/33r5NqO