Golodoor via eBay offers the Mastech MS6310 Combustible Gas Leak Detector for $25.99 with free shipping. That's $9 off list and the lowest price we could find. It detects various flammable gases and features both a sound and light alarm, low battery indicator, and a storage bag.
Experts often recommend postponing claiming your Social Security retirement benefits. But there are situations in which you should start taking the money sooner.