There could be several parameters used for finding the right system as well, for instance, for some uses, renting a system nearby would be a good idea, to have reduced ping times.
Paying anonymously with bitcoin could of course be a risk, as the renter could to anything illegal, for example downloading copyrighted software (warez) in
france.I can see many legit, and many non-legit uses for this as well. Many providers already let you create virtual servers on the fly, amazon for example.
Reimaging the machine after rental could be one way to avoid having anything malicious permanently done, but having access to a local machine of some random internet user also means you may have access to more devices in his home over his local network, and these may be comromized as well if security is not good enough.
There was already one suggested use case scenario of a fully configured system with Sierra Charts, is there any other use cases you would suggest?
Imagine someone rented a system, and then did a SR purchase from it, and then that somehow was intercepted and the person renting out his PC got law enforcement knocking on his door, unlikely - but not impossible.
It looks that perhaps only commercial providers should really do this, as the risk may be too high for non-tech home users?
