It is allowed. As per Mr. Big stated it below:
Selling anything is not against the rules, same as offering services, as long as you accept bitcoin or altcoin, then it is allowed...
Also read the rules and regulations ng ating beloved new section Pamilihan.
Pwede naman yan bro ask mo na lang moderator natin kung san mo pwedeng ilapag.
Goods > Pamilihan Section. Just a tip of reminder "Prevention is better than a cure, you can use escrow"