Lifestyle tips

The basic cheeseburger from McDonald's is a surprisingly efficient choice at 300 calories for $1.

It depends on how healthy you want your food choices to be. In terms of cheap, crappy calories, Pop-Tarts are pretty good. Cheap, easy to eat anywhere, and 200 calories each. Up here you can get a box of8 (1600 calories) for $2.50 sometimes, and $2.99 almost anywhere, which is hard to beat. But it is all sugar bad oils, so be a bit careful.

The really cheap ways are cooking your own. Pan fried potatoes, or rice with butter or oil, will both only run you a few bucks for all you can handle. Just not very exciting.

Here's something even worse than pop tarts. And Cheaper.
Cake Batter. This is for just pure decadent gaining.
2200 calories on the average. At Dollar Tree. $1.00
Great for the lactose intolerant too.

My best suggestion: A 12-pack of Little Debbie nutty bars is 3.99 at Walmart. Each bar is 330 calories, which makes the full box 3960 calories. I also second the soda and the cake batter. Heavy cream goes a long way but isn't incredibly cheap. Fast food is always a great option! If you're looking to gain in a more healthy manner, however, none of those things are for you. :-)

Little Caesars has a hot n ready pizza for $5. Also check out the various little debbie and hostess cakes at your local grocery store. Also heavy whipping cream works wonders, and around here a quart goes for around $4. Most fast food places have a dollar menu, and you can buy lots of stuff from them. Hope this helps.