Diversifying your income stream to make more money in business is old advice, but in tough economic times, it’s advice worth taking. One of the least risky and least costly ways to successfully increase your business income is to make better use of your existing assets and resources. All of the ideas below are ways you can bring in more revenue for your business without spending a lot of money to do it. If you own or lease commercial space, do you really need all of your current space? If not, you can make more money by renting out some of your space to another business. There are a lot of small businesses that only need a corner or cubicle. Or maybe you have an unused room that another business could uow as office space.