1) yes most people offer their own support
2) most people use their own merchant account unless using the registrar processing service where some servuces like enom registerPDQ requires it or registryrocket.
reseller can't point their websites here since it will be considered as self promotion but they can PM you their URL if they want
Bashar Al-Abdulhadi - KuwaitNET Internet Services Serving customers since 1997
Kuwait's First Webhosting and Domain Registration provider - an ICANN Accredited Registrar