and what are your interests to create a website and other expenses, where is your profit or are you altruists?
Developers get 1% of tokens in the token redeeming process. If the purchaser returns his tokens to the smart contract, he gets back 99% of the invested ETH. 1% of ETH remains in the smart contract for its developers, until the developers refund it for their tokens. This takes place only then returning tokens into the smart contract. When tokens are transferred (from address to address) they are transferred 100%