Macy's offers the Dockers Men's Easy Slim Tapered-Fit Khaki Stretch Pants in several colors (Med Brown pictured) for $24.99. Coupon code "DAD" cuts that to $18.74. Choose in-store pickup to avoid the $10.95 shipping fee. That's the lowest price we could find by $5, although we saw them for a buck less four days ago. Buy Now Features available in select sizes from 29x30 to 38x32
None of these moves requires a big investment, and they all can save you money.