High class issue here now that I'm above 150 tiles.
Next "level" appears to be 250 tiles for a couple more Mint upgrades and the Blade helicopter rides. The Mint upgrades could be lucrative but the helicopter situation does not work for me. The other incentives as I've gained tiles (Founder's Card, Pet Waiver type incentives) are also not attractive for my travel purposes. There is an additional 15K points, which could be worth $150, at the 150 tile level which was useful, but above that there are no additional points bonuses. And the next level is 100 tiles higher?
Suggestion to JetBlue: create additional incremental points options at these higher tile levels.