got one of these back in 08'ish...
best money ever spent @ dealer cost prices anyways...
loaded everything with it up to a goldwing. doubles as bed extender is bonus.
depending on what truck I have i'd just use slope of driveway or any dry ditch/hill around to make it the easiest possible slope.
dirtbikes get pushed up the ramp till the front wheel is in the bed a few feet then I step up on tailgate and roll it in the rest of the way.
heavy bikes I usually bring another cheap steel harbor freight ramp and use it to walk up while using bike power to bring it up readyramp