A:AnswerNo and no, totaltech crew will supply the appropriate wall mount for you at Best Buy cost to you. The Totaltech crew are well supplied and well knowledgable for what your tvs need.
A:AnswerDont know about the second part of the question but if your cable wire is long enough no worries but if you're putting it somewhere else youll need the cable company to come and move the cable
A:AnswerYou have to purchase the TV wall mount, if it does not come supplied with mounting screws/bolts for metal studs then yes you will need to purchase ahead of time.