Finishing Kit ordered...what next

I am about half way done with the fuselage and I just ordered the finishing kit. I wondered what everyone ordered next: engine, lights, interior, avionics? I can see this getting very costly Thanks.

You want to do all of your wiring and panel installation before you button up the rear turtledeck and the front deck. I didn't rivet the front deck on until after I hung the engine once and ran all the wiring and cables through the firewall. Made things real easy. Don

also, many have said to save avionics for last as the prices could come with newer and newer technology. FWF