wtb TIRES

alright my dad needs a set od tires for his truck. I was woundering if any one works at a tire shop and could get me a deal.
The size i need is LT265/70R17 or LT275/70R17 what ever is cheaper.
it is for a Dodge Ram 2500 Diesel 4X4

id really appriciate it alot thanks
Peter.