Yann, I feel your pain my friend. I have had several lousy shops and a few temporary ones to boot. My longest running "temp shop" was in a spare bedroom in my house.It was only 12 x 16 feet,and every time I did anything in there, I trailed sawdust through the house. That really sucked.
Another temp shop was located in a an old hunting camp we had. That did not last long as it was located inside an old graveyard, and was kind of spooky. It only had 60 amps of power, fused,and the old radial arm saw would kick fuses on occassion. That sucked as well.
The shop I have now is a wee bit small at 12 x 24, but its set up right. Hang in there my friend, you'll get a shop of decent sized soon enough.
I have no intention of traveling from birth to the grave in a manicured and well preserved body; but rather I will skid in sideways, totally beat up, completely worn out, utterly exhausted and jump off my tractor and loudly yell, "Wow, this is what it took to feed a nation!"