[header] How to boil crawfish [title] Buy live crawfish. [step] Plan on ordering enough crawfish so that each person at your party or dinner gets 2-3 pounds. Most of the weight will get discarded since crawfish come with their shells on. 
[substeps] Source the crawfish from seafood and grocery stores or crawfish trucks, which sell crawfish when it's in season. If you don't have a source of crawfish in your area, purchase it online from a vendor such as louisiana crawfish co.