It's definitely true that Exmasters.com is reputable and trustworthy company. As I understood, you will be able to resell from your VPS or dedicated server. Am I right? I can share with you this special statement: "Imagination plus innovation equals realization!". Well done by this company and I am sure that it will be reasonable deal.

Not sure of exmasters, but santrex.net provide full-featured reseller accounts allowind adult content hosting on them. That means you may resell your space to people with sites of almost any content, which extends your potential clients amout.

bandwidth is the issue and legal content

If you're looking for adult hosting I would ensure you target the right audience. Adult hosting can be very pricey due to the traffic and legal things behind it.

Adult Business is always hot market try it many users need this hosting, not many doing adult hosting without any issues