Home paint booth 101

Tad said
Lowes. It is 2mil, 10’x100’ for $24.

That's what I have used.
If you have a Menards near you it's even cheaper. $17.78 after sales rebate.
Polar Plastics 2-mil Clear Rolled Poly All-Purpose Plastic Sheeting at Menards https://www.menards.com/main/p-1444451029378.htm