depends what one you want, they get cold as hell in the winter unless you have a big heater in em and some of them are shitty and flimsy… iv heard of 1 or 2 falling over from the weight of snow… id buy one in a heart beat id just get a big oil heater or somthing of that sort and i wouldent be cheap with one
any reason for not building one from wood/steel 2x4 frame and then skinning it with plywood and siding ?
I built a mini-garage (for tractors) two years ago, ended up costing $600 with the concrete slab
you could even skip the slab and just anchor posts in the ground with the hammer-in 4x4 stakes, just have a simple 4x4 pressure treated frame and 1/2" pt plywood to connect it all… maybe bang up some of those 2" foam boards all around inside
seriously if you aren’t against wood and you know your budget I can help