Know very well your industry and only build things that solve a real need not one you may think exist, in other words if your building a solution to "scratch your own itch" probably you're not the only one that has it and some market research could help you validate the idea.
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Know very well your industry and only build things that solve a real need not one you may think exist, in other words if your building a solution to "scratch your own itch" probably you're not the only one that has it and some market research could help you validate the idea.