For experienced users, choosing a vps is less about plans and prices, than sizing up whether the host is competent and solid enough to keep the servers running for the advertised duration. You're casting serious doubts on yourself at this point, since the questions you're asking are the type that you should be able to answer yourself if you're qualified to be in this business. I do like the idea of the Lowendspirit concept catching on with other hosts. I think someone pursuing it should first have a track record of more conventional hosting. Offering 50GB of HDD for $5 a year with no evidence that you can pay the data center bills comes across as a recipe for disaster.