Ace Hardware has a monthly rebate for $4 off Safer Pesticide Products. The products included in the rebate are:
Safer Insect Killing Soap 32 oz.
Safer Garden Fungicide 32 oz.
and Safer End All Insect Killer 32 oz.
All of these products are supposedly priced at $4.99, so you can get them for just 99¢ each after the rebate! On all of the products, there is a limit of 3 rebates.
The rebate is valid through May 31st and you can print off the rebate form and instructions HERE.