A cheap, no-frills controller, if you can handle a wired life without gimmicks, there's no reason to discount the PowerA Wired Controller Core Blush.
Obviously, if you are an aspiring content creator you might want to put some more thought into getting one of the best ...
However, with most mobile phone deals including unlimited free minutes as standard, you might be better off with a cheap SIM only contract ... be very easy to set up, with no engineer visit ...