I've bought a fair few though.
Some have been fantastic. Some, worse than waking up to find my dog has shat in my best hat...
I've noticed a few WSO's recently where the author has listed the offer and then vanished.
What's all that about?
Are you expecting no questions? PMs?
If you're running a WSO, be on hand to answer questions. People asking questions are customers waiting to be reassured before sending you money.
Be on hand to answer questions - you'll make many more sales.
now I've gotta go wash my hat (again)