The first 100 sets I sold had a free shipping coupon code that erased the $100 it costs to get them to you.  That boat has sailed and I can no longer offer free shipping.  When you pick up the box off your porch, you will understand why shipping is $100.  
A 20% restocking fee is applies.  If in doubt about what size you need, call me at 205-966-2137 and I can advise you on which set to get. I do attempt to call each customer to verify address and size before shipping.