Free sample of Tide Febreeze detergent
You have to join the P&G e-newsletter if you are not already on it. If you are on the list, you can still get the freebie, which takes a few weeks to arrive.
You'll also get a $1 off coupon to buy Tide after you try the sample. Here is what a sample P&G newletter looks like.
Caveats: unclear how long this deal lasts.