For a finer graham cracker crumb and crust that holds together better, use a food processor to crush the crackers into crumbs. Or, make it even easier and purchase a box of graham cracker crumbs.
Melting the peanut butter a bit before combining it with the condensed milk makes the mixing process much easier.
Use thick, kettle-style potato chips in this recipe for maximum crunch. Plain salted chips work best.