When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I did mine that way also. The only thig I would caution about is if your hole saw has a drill bit type of guide like mine did. I came awfully close to drilling through my protective license plate. But, it is definitely a quick and inexpensive mod.