Either. Both. I have some who don't even roost. I might he in the minority, but I offer all of the above and let them choose.
And FREE is always good! Chickens don't need fancy.
And I totally forgot about my makeshift quarantine coop. It was an old deck box - lol! Big enough for 3 hens.
You have a lot on your plate. Do what's easiest and safe as possible for now. You'll be able to focus on improvements when things have settled down.
I spent 500 on mine. It was 4x7. I cut holes in it. I now use it as a storage building. I just kept the plexiglass and bought pieces to cover the other holes I made. The coop I built was 4x8 and cost about $250. You'll be hard pressed to find a coop big enough for 5 full sized hens that is less.
I converted a vinyl shed. Super easy. I bought it new, but you can probably find a used one. Hoop coops are good, too. I built a coop in 5 days out of recycled materials. Pallet coops are easy, too. Lots of options!