A:AnswerYes, there is a warranty. I would recommend getting an additional warranty through BestBuy. It's a moderately priced television but the repair costs might be unsightly if you encounter an issue.
A:AnswerYes you can finance it that’s how I got mine with the Best Buy credit card for 12 months zero interest. And yes you do walk with it after finishing on same day.
A:AnswerYes, they are wall mountable. As far as this can be mounted in a caddy corner, there is no information available if it can not be mounted in a caddy corner.