At Home Depot, buy the Milwaukee Sawzall 10-Piece Reciprocating Saw Blade Set for $19.97 and get a Milwaukee 5-Piece Saw Blade Set of your choice for free.  Three options are available, and you’d pay $20 for the 10-piece set alone elsewhere, saving you $14 to $21 on the free set.  Shipping is free. Buy Now at Home Depot