What areas would you suggest for improvement?
Make the questions less general and try to sound like you know what Arduino is.
i know arduino . however i making business plan of it. if you could help me make business pla. plese do so
Show us some of the work you have done so far..
You get a bunch of technical people to do all your research for free and then you rip them off and make a bunch of money based on their hard work.