electrical parts you buy it you own it. Exploite seller/buyer protections you might be able to pick the vendors pocket.
Hey plenty of buyers do it, they will buy a dc cdi install it in an ac ignition system. Burn it out and make the vendor pay for it, because the site has a policy. If the buyer says blah the vendor takes it up the rear/get his/her pocket picked.
I was using e free fuel for a while. Till the guy at work retired. He lived a few miles from the e free station. I can't do 160 miles round trip. So i'm back to e gas. If i had choice I would do the e free.