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You will not just have to find finance to run your business, you will also require to make money to support your lifestyle.
Although many contractors make money in the beginning, keeping it going in the long term is often an uphill task unless you are disciplined and working according to a plan. Moreover, you will lose the client as soon as the contract ends. Clients will come back to your with more work if they need to hire your services in the future. This will usually give you chance to increase your income from contracting.
If your client has requirement for multiple services, you can offer supply other contractors to the client using a commission based system.
You will not have to do any work as such but you will still be making money through commissions. If you are have attained certain technical and business knowledge while working on certain contracts, you can use these skills to start another business. You can offer consultancy services to other clients relating to the skill you developed.
Once you do it few times, you will have a new business. You will require discipline to continue making money as a contractor. You will have to adhere to ethical practices while learning and improving your skill and communication. With all these things in their right place, you will quickly gain an advantage over the other contractors.
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Source: (easy ways to improve contractor lifestyle) http://www.squidoo.com/how-to-finance-a-contractor-lifestyle