wow 30! i must say i suspected that i might get to that number if i created a domain for each of my side projects, i just thought it's unreasonable to have that

wow 30! i must say i suspected that i might get to that number if i created a domain for each of my side projects, i just thought it's unreasonable to have that amount of domains, but starting to understand developers with side projects are doing these things. 30 means like $10 X 30 = $300 yearly?