Free: Contests & Raffles.
Use the money you were going to build the trap with and buy some sheds off of ebay. Just about as rewarding and a whole lot safer to wildlife.
Interested in building one but not really sure if its legal in Washington state or not just curious on some methods on what works best I have tried the chicken wire between to t posts before with no luck would love to see some pictures of ones that work well Transka