What type of home business to start is one of the most daunting questions many want to be entrepreneurs face.
Make sure you take your time and give thought to current trends and how you will make money.
If you want to make 40k per year, break that down as to how much you would need to make per month, per week and per day. The number can be very scary and it may very well cause you to rethink your business plan or even the type of business. While you should have a passion about the type of business, you also have to be realistic as to its potential.
There is a current trend in America to "Go Green". Perhaps give some thought as to how you could capitalize using this concept.