Create your token launchpad or token sale website and start selling your token super easy, Your users can pay using MetaMask wallet or direct send to your launchpad address.
Demo: https://launchpad.0xfactory.com/
Follow this steps:
1- create presale contract: https://0xfactory.com/launchpad-contract
2- edit the file "data.json" using any text editor and save
3- upload all the files to your hosting
That is all....
Good luck