I agree with both @Kim - too expensive, and @PGAmbrosio - really good. My negotiated rate with TOS is now $0.50/contract + $4.99 ticket charge - much better than standard but still too much. I currently have accounts with Tradier and Robinhood. Robinhood is free with a decent mobile app, but it doesn't allow to place multi-legged option trades. Tradier's biggest drawback is that it doesn't have any decent mobile apps at all, the web interface is very basic, but you can build multi-legged trades there. With the 10K account the $40 is probably the best deal, but if you trade less that official trades (e.g. you can't get fills), a $0.35/contract could be a better deal. While the TOS is great, I think for those of us who are new to trading more complex multi-legged setups, having to build the trade manually has some educational benefit...At the end of the day, you can keep both and use TOS for analysis and place trades in Tradier.