I own a small poboy takeout. And im wanting to start selling crab legs. My question is should i buy a steamer or boil them?

There are some suggested methods for cooking them in these previous questions that might be of help: https://food52.com/hotline/10943-how-do-i-steam-king-crab-legs-can-i-break-or-bend-them-first-so-they-fit-in-my-steamer and https://food52.com/hotline/9150-how-do-u-cook-crab-legs