Besides the time and responsibility of running the service, your biggest cost is going to be storage and maybe even transfer. None of the cheap VPS have big storage or bandwith, so I would not offer a service like this if I were you.
Besides the time and responsibility of running the service, your biggest cost is going to be storage and maybe even transfer. None of the cheap VPS have big storage or bandwith, so I would not offer a service like this if I were you.