The sharpest way to evaluate your business opportunities I came across so far. By Josh Kaufman/ The Personal MBA:
Urgency- How badly do people need this?
Size- How many pople would purchase this?
Pricing Potential- What is the highest price people would be willing to pay.
Acquisition- How easy is it to acquire new customers?
Cost- Costs of product and service.
Delivery Cost- How much does it cost to deliver the offer.
Uniqueness- How unique is your offer versus the competition.
Speed- How quickly does it take you to get this running.
Investment- How much do you have to invest before you have an offer.
Up sell- What related offers could you present?
Evergreen Potential- The more evergreen the more attractive the market.
Apply value from 0-10 and add up. Be conservative! Value over 50 is OK, 75-80 EXCELLENT, start your business!