The truck use really works. You must think from the perspective of the future tenant. Moving cost money. I have alway been fortunate enough to have a truck for my tenants to use at our location and I can safely say that it is responsible for 45 to 50 % of my renatls. They love it. For the tenants who only have a trailer the truck cuts there moving load in half , saving them time and hassel. Speaking of Hassel, the idea for a credit toward a turck rental is good, but I know that the persons I work with the most want the simplest solution to there already stressful move. They don't want to go one more place to make it happen. So having a truck on site is saying, this is your last stop. We can handle all of your moving needs.
Not to mention that when rentals are down you can boost the income of your property by being willing to rent your truck out to existing tenants for things other than a move out. For example, they bought new furniture and they drive a sports car. Delivery for these things can get pricey, so if they know they can pay you 50.00 dollars to rent your truck(if avail. ) then you have made more money for your property. Just be sure to really stress, not for move outs. Always be aware of the ever changing insurance need and follow the rule to the letter. I must have only insured drivers over the age of 21 with valid drivers license on file before I can let them drive my truck. The laws are different from state to state. Good Luck.

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Lovin it.