I started with 550 cord and had no problems or stretching at all. Easy and simple way to hang a hammock if you ask me. Now I have a WBBB and use the the webbing it came with. Again no problems and or stretching. Have not needed to venture into the Whoopie World yet. Probably wont need to.
~My therapist has told me that the first step to recovery is admitting my problem, Hello I'm a Hammockolic~