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16 Most Profitable Online Businesses to Start in 2017

16. 3D-Printing Services

Of course, expertise is necessary, but you can give lectures about 3D printing and some of the software used in making a design. You can create and sell your designs as well. If you are into giving full 3D printing services, that may not come as easy, as you have to invest in a 3D printer with quality. Shapeways is one of the most successful in 3D printing services.

16 Most Profitable Online Businesses to Start in 2017