FreshBooks is a free online service for small business owners to create invoices and estimates from the convenience of your home. It can send out an email with the link to your FreshBooks document and unlimited invoices to your clients. For the free service, it can only save up to three clients at a time. If you choose to get the paid services, FreshBooks can send you a copy via snail mail. The printed invoices will even be sent with return envelopes, thus making it easier for your clients to pay you. Each invoice sent will have its corresponding cost as well. Depending on the plan, you can store from 25 to 5,000 active clients. You can also allow 1 to 20 staff members access to your account. FreshBooks lets you upload a CSV that contains all your clients’ contact information. The author finds FreshBooks easy to learn and its interface is user friendly. He recommends that you try it the next time you need to send an invoice to your client.