I need someone's opinion . Am I getting a good deal? Set of 4, 18" M-parallel style wheels and a set of 4, 18" Sumitomo HTR Z II tires. This is a staggered set. The tires are new and are already mounted/balanced. The offer is $900+$170 shipping. (all in USD) That's approximately $1,317.14 CAD Thanks for any input.