Using a Lee six cvity mould (for the 230 gr TC normal lube groove) I can cast 20+ lb. of match quality bullets in an hour to an hour and a half after the bullet metal is melted, ready to cast. That will produce a bit more than 600 bullets.
I typically cast one pot at a time and do another pot the next day.
The O.P. is best directed to simply buy a Lee Six Cavity mould (as others have suggested) and free himself from "Tyranny"... the tyranny of slow casting.
FWIW
Dale53