Make sure they have straps and hooks to hold the ramp securely to the truck.
100% this. I have seen them kick out and that is a scary experiance.
Longer ramps are nice for a shallower angle. Trifold ramps are nice too, so you dont drive off of them.
https://www.cabelas.com/shop/en/yutrax-atv-extra-long-heavy-duty-tri-fold-loading-ramp
