>>13222821>venueYou'd have to set up at school gyms and bingo hall places and charge at the door like bands do on tour.
>seatsBuying a few dozen metal chairs isn't that expensive and depending on the venue they will probably have chairs or standing room available
>barricadesYou don't really need those for independent shoes desu, any venue you're going to be at that you'd need barricades for already has them for shows
>lights,screens, concessionsYou don't really need screens , but you are right it would help to have a professional light, sound set up. Concessions are provided by the venue, but as far as merch you will eventually need merch tables because that's where a lot of revenue comes from
>insuranceAlso important
But the things you do need aren't that expensive, you also should set up an LLC but that's attainable, things cost money it's part of life.