We had a local bowling alley who would let us take all their old pins every few months. We ended up with pins in just about every pinshooter's garage. And with two or three people resetting the pins on each table, it only takes a minute or so.
Part of the fun was the randomness of the pins. The jump, fall, spin, wobble, take out other pins, you name it. We had one guy who shot full power 44mag loads, just for the challenge. Sometimes the pins would come apart when he shot them.
The shooters got so good, we would cut the pins in half and shoot at the tops. We had no optics nights and carry nights.
We would run 12-16 shooters through in 2-3 hours, but we didn't run rimfire and center fire at the same time, unless someone's kid, wife or girlfriend wanted to shoot a 22lr on a center fire night.