Sparkling drinks are quite a hot item these days, and it is a major industry. However, if you’re drinking a fair amount of them, the cost can really add up. So why not bypass buying the drinks, and opt to make them at home instead? With a soda maker, this is possible. When buying your soda maker, look for one that has a BPA-free bottle, one that doesn’t require batteries or electricity, and one that requires just pushing one button.