What do I have to do in order to become a domain name and web host reseller?

You may join followings for seller packages.

Visit

Godaddy http://tinyurl.com/yk2dks

Gate Hosting http://tinyurl.com/yzhbjz

What do I have to do in order to become a domain name and web host reseller?

go to www.godaddy.com and pay for the reseller account