Need a car for 6 months

I need a car for about 6 months to use up on Lopez Island. You can do long term rentals at places like Budget but very expensive.

Assuming an existing lease may be the way to go — Swapalease and Leasetrader both seem to have a lot of inventory.

I wonder if contacting some local leasing agents directly might not be the smartest thing to do — they must have some leases in default that they need someone to pick up.