Spot Welds

I got one from Harbor Freight (cheap), was amazed at how well it worked. A little cutting oil and slower speed . Didn’t have to cut clear through, just near, and a pry bar would pop it loose easily. Then finish spot with a 120 grit flap disc on angle grinder and your done.
Yote
Yep, the HF China one was 7 bucks, 2 years ago..