For now our Bronze and Silver reseller plans seem to fit your budget.
Bronze Reseller
20 GB Disk Space
2000 GB Bandwidth
$15/month - $150/year
Silver Reseller
40 GB Disk Space
4000 GB Bandwidth
$25/month - $250/year
We have a 99.5% uptime rate (
About Surpass Hosting). Depending on how you manage your selling of space, 50+ clients shouldn't be a problem. In the end you can always upgrade if you either run out of resources or want to expand your business. =)
If you have any more comments or questions, please do not hesitate to ask!