Out west here a good four-wheel drive is a good idea and we use the owner's vehicle where possible, but we have some pilots who come to the field by motorcycle, RV or electric vehicle. On land-outs where we can't use an aero-retrieve, we use volunteers and whatever tow vehicle is available. The informal rule is the out-landee gets to buy dinner (and lots of beer) for the volunteer crew. I've been the recipient and donor on both ends of this deal!

Mike