Name silo has a lot of deeply discounted domain prices --but many of the discounts are for the first year only and not the renewal years. This is a common practice with many other registrars too. Always understand the terms.
The renewal prices are the prices worth investigating before purchase.
Namecheap renewal prices are typically more expensive than the initial purchase prices. Their renewals are generally between $9 and $15 and those renewal rates can be found at most any registrar. Bulk domain renewals at DirectNic are around $11 and at GoDaddy around $8.
Attention: "role based name" email prefixes such as support, webmaster, info, contact, forum, service, affiliate, admin, traffic, partners, marketing, etc., for our member accounts are not permitted. They are acceptable for a vendor listing, but not for the member email. This is due to bulk email processors scrubbing them for delivery due to extremely high bounce rates. Please apply for membership using a personalized email prefix. Something like email@example.com.
If we discover you signed up with a role based name we will give you only one message to change it. After 3 days your account will be removed if the email is not changed.