LOL, Happylab.
Martina, it seems to me that since your retreats are out of town, you should also get the travel exemption in addition to the retreat exemption, and the supporting the local economy would be an additional exemption
Leta- sounds like a plan! And thanks for posting those links, looks like a fun competition.
Elly-- watch out, you'll get addicted to using your fabric cutter-- it's just so much fun watching a pile of fabric get reduced to stacks of recognizeable shapes-- sort of like cutting the grass ( if you've got a small flat yard and a self propelled mower)-- instant gratification
Rob