there is no issue, nor is there any guarantee that paying more for a service makes it any better than a cheaper one.
i haven't tried every server out there and i have no inclination to.
each to their own 👍
if you have a powered usb port on your tv it "may" be powerful enough to power the device.
try it, if you see any issues then revert back to the original power supply.
some tvs have enough power to run the device but if they are borderline on power you may see issues occuring on the stick.