Catch the opportunity today and sign up for Merch By Amazon, no need for any upfront investment or costs , what you all need is to upload your own unique design and then watch your sales. It’s pretty cool business idea as an additional source of income again ” additional source of income “. Because working on MBA really takes work. Naturally entrepreneurs will find the high competition by branded companies, designers and old sellers , but this doesn’t mean you should quit rather than to put much effort on it and learn from others mistakes to avoid them and get success. In conclusion, working in MBA is a great opportunity for entrepreneurs to get success.