On Sunday, May 5, 2019 at 4:32:08 PM UTC-7, wrote:
Check with Avemco, a little more than costello, but will defend a claim when they are suing for everything forever. I have seen them in action and was sold. probably a 100 bucks mire percyear but worth it in my opinion.

+1 for Avemco.
Their policy will cover a rated pilot for rentals of not just glider but also SEL.
Jim