If you have a proven track record in a particular field, can prove past success, or have trained in matters of the mind, life coaching or mentorship could be for you. People, especially soon to be entrepreneurs, seek guidance through mentorship and life coaches. You can setup your services from the comforts of your home with no monetary investment.
New applications are launched on a daily basis and if you believe you have the skills to create your own and a unique enough idea, you should do it! Aside from the fact that you will have to invest little to no money to get started, it is far less time consuming than the average 9 to 5. Once you have created your application, couple it with the right marketing strategy and you'll be making money in your sleep. The best part about developing applications is that you can do it from anywhere in the world.
Where the equipment you use in your business was acquired as a gift, you may report your estimate of its current market value on the Business Property Statement (that is, what you think it would sell for in the open market place). Enter that estimated value in the most current year's cost line and add a note indicating that the entry is an estimate.