. >> rekrently, more than 100 people got sick during a pot luck at a church in nevada. most of us know about proper hand washing and how to avoid cross contamination. but how do health experts know when to pass on a pot luck. >> i don't see tongs, food, things to dispense the food with, i would avoid those foods. >> next, you don't need to bring along a food thermometer. >> food can last about four hours and then replenish that food. >> last, but not least, if the food doesn't look right or you just have a bad feeling, go with your gut. >> when in doubt, throw it out. >> did you just double dip that chip? >> a few simple ways to avoid pot luck poisoning. >> okay. mom, you're busy dropping off their lives in the birt day parties. relax. we've got shortcuts that the mom can use. i usually shop at giante, but today i brought my receipt to see how muc i can save at walmart. i have an 11 year old, so he's eating more than ever. at walmart you could've saved 26% on tuna, how's that sound? that sounds great! well, my food budget is tight. every penny counts. $134.23! that's a