Having some samples is a great idea!!
Ya, sometimes finding a place to hold a bake sale could be tough… Fortunately, there is a section on CandHBakeSale.com that lists places where others have held a bake sale. Did you come across that section? (When you put your cursor over “Ways To Get Involved” a drop down menu appears. Click on “Frequently Asked Questions” Question 4 is what you are looking for)