Visit https://presale.gosellcar.com/

and enter amount you want to purchase, for example $100 and
then select payment method:
1) USDT with Metamask:Click connect to wallet and then click pay
On metasmask do pay
Once successful payment is accepted, you will register your name, email and desired password

and click Register. Within a few hours, up to 72h you will email with instructions how to obtain GSEL tokens.
2) Credit Card: Click Credit Card

Enter your credit card number, CCV and ZIP code (e.g. 00000) and click pay.
Once successful payment is accepted, you will register your name, email and desired password

and click Register. Within a few hours, up to 72h you will email with instructions how to obtain GSEL tokens.