I have a friend who was good in stocks but could not get the dynamics of crypto cause alts pegged in btc can be confusing. looking on how you view the market could have made his learning curve faster in cryptospace
You're not selling it to another user. It's already locked in the contract. That's where the 10% fee to enter is used for. The most you can lose in this contract is 10% and that is if no one buys, sells or stakes.