Setting up a home-based business can be the road that leads to early retirement, or it can be the road that leads to financial ruin. Often the number one stumbling block for any small business owner is the lack of cash flow. This often happens when a cash flow budget is either not in place or underestimated. Your cash flow situation can be better managed and sub-standard budgeting can be avoided by doing proper research. You need to list anything that is a likely expense for your business, as it is easy to miss various costs when doing your first budget.