Welcome, Like the title says, you can start this business with $0 out of pocket. The gist of the system is. You post a few sentences to facebook. People respond and buy ad space on your shared post card. You get it filled and mail it. You get paid before you print, so zero cost out of pocket. -Zero Inventory -Zero Employees -Zero Startup Costs If you have a facebook account and a phone, you're set. Comment below why you want to start a post card side hustle and I'll DM you the link to the full guide. I hold nothing back. And the reason I don't is because if you succeed so do I.