Vending, good business idea or no?

lol, think im gonna stick with the gold for now and then slowly start investing in 2-3 unit homes in need of rehab… Me and my friend rehabbed a house in 13 days… bought the house for $8900, put less then 6k into it and now its on the market for $50k and zillow.com says its worth $90k i believe so it should sell fairly quick… I want to fix the 2-3 units up however and keep them as residual income… was never a fan until recently… Now I see how freakin quick and easy it is to make a terrible house nice again.