Always shop around to make sure that you are paying the lowest possible price for something. Make sure that what you are buying is absolutely necessary. Make sure that you keep a note of your income and expenditure each month so you know whether you are making a profit or loss and act accordingly.
It can be as simple as looking for companies like printingamerica.com for overnight prints to get a good deal or more complicated such as changing what you are doing so that you have less expenditure. It is worth the effort of keeping on top of costs because it can be all too easy for business expenses to spiral out of control and for things to collapse. With the economy so difficult at the moment it is even more important than ever before.