Hardware 

  • Build it at home first: Order products from Alibaba.com and other inexpensive suppliers, and stock up on ducttape.
  • Electronics: Start with kits, then breadboards, then custom PCBs, and not the other way around. And if you have electronics in your product, expect to have more before it's all over.
  • Identify important components and hard-to-find ones keep track of reliable suppliers. An early relationship with Avnet will go a long way.
  • If batteries are part of the picture, think carefully about your requirements. Looking for a Lithium-ion battery? Do yourself a HUGE favor: Source a pre-certified battery and save yourself a lot of time and cost.
  • If you can't find the pa t you need, you can probably make it! 3D Print- ers are now easily available around the world. Find a local shop and make some friends.
  • Identify prototyping partners who can help you build and test your first. This is also the time to start understanding consumer electronics regulations and certifications.
  • Looking to get inspired? A personal favorite video blog and store you have to check out when you start building is Adafruit.