I know its been discussed on here before, but I could not find anything while doing a quick search today. My wife will be right in the middle of her second pregnancy during the heating months and I would like to buy something to store a bag or 2 of pellets in so when I am not home she can just a little bit in so the stove does not go out. What can be used for this purpose and how much should I expect to spend? Any info would be greatly appreciated!