Evaluating your market:
- Urgency - how badly do people need this?
- Market size - how many total potential customers are there?
- Pricing - how much would a typical customer be willing to spend?
- Customer acquisition cost - how much will it cost to generate a sale?
- Competitive advantage - do you have an unfair advantage unique to you?
- Speed to Market - how quickly can you create something to sell?
- Upfront investment - how much will you have to invest before your first sale?