I usually buy gloves from Harbor freight., mainly because they are a few miles down the road from me.
https://www.harborfreight.com/search?q=nitrile%20gloves
Their "cheap" gloves come in 5,7, or 9 mil thickness, prices are $15/box of 100 for 5 mil, and jumps to $21/box of 50 for the 9 mil.
I...