If you are savvy enough to buy, sell, or trade at the right moment, you could really make a killing on the forex markets. (monsterpiggybank.com)
Alternatively, if you can pick a good website theme and customize it, you can still make a killing by just tweaking themes for clients. (inc.com)
Each of these will make the killing of enemy hordes faster and easier, and each has a unique ability which is generally used to solve simple puzzles and overcome obstacles. (archive.videogamesdaily.com)