To make it easy for people to find your post, use this format:
State - Place - Business Opportunity - Title
If you're offering the chance to sell cosmetics around Alice Springs, you'd post something like:
NT - Alice Springs - Sell Cosmetics - Give People The Chance To Buy Cosmetics In Your Area
That way people can see at a quick glance what posts they're interested in.
If you were looking for an opportunity to sell veg t shirts and other merchandise, and you wanted to do it nationally and even internationally through the web, you'd drop the state and town and post something like:
Want To Sell T Shirts & Other Merchandise - Can You Supply Me With What I'm After?