Nerdwallet has a pretty good comparison chart for secured business credit cards. You'll find many of them with cash back rewards, but I haven't seen any with flight rewards though. You can also build business credit with regular credit-that-works-like-debit cards from Brex, Dappr, and several others. Source: about 1 year ago

Otherwise, I recommend Wyoming. Why? Wyoming is the most popular state for non-residents who are online businesses, e-commerce businesses, or business owners who want an easy and simple way to form and manage their company. It's the most popular state among https://startpack.io customers, has lower annual fees ($50 vs $300 in Delaware), a low filing fee ($100), and was the first state to ever create the LLC. Also... - Source: Hacker News / about 3 years ago

It's a state that has services very well streamlined, and it's perfect for C-Corps. For LLCs, probably the best state will be Wyoming. We recently launched our new company [1] and are deep into helping entrepreneurs getting started mostly in Delaware and Wyoming. [1] https://startpack.io. - Source: Hacker News / about 3 years ago