In addition to tracking your small business expenses and income, which is information you’ll need to prepare your business taxes, it can be helpful to track other financial details, too.LZ Books makes it simple to track proposals you’ve sent to clients and whether they’ve been accepted, as well as track client invoices and whether they’ve been paid or not. We also let you create a client directory so you can keep track of their contact info and other service details.You'll get helpful business insights allowing you to stay on top of your income, expenses, profit, and unpaid invoices with month-over-month trends.