We rehearse in one of the band member's house, where he leaves the gear set up, only breaking down what is needed for any gigs. Spare drum kit used for gigs, and we have three PAs between us. I've started DIing the bass at rehearsals (and will do the same at smaller gigs), the guitarist brings a bigger amp than his rehearsal one if the gig needs it. As for paying, we all pay exactly the same, absolutely nothing.