Thank Them, and Ask Them to Thank You _ must be sincere Money is often a touchy subject, so politeness about it is a good idea. Your clients are paying you money that they've earned with blood, sweat and tears, so let them know you appreciate it. You should also invite them to contact you if they have any questions and, more importantly, make it clear that you appreciate their present (and future) business. Some people also welcome testimonials; for example, by adding, "Let us know how we did. Write a testimonial and sent to... " If you're building your website's testimonials page or want to complete the feedback loop, this is a great way to get clients to give feedback on your work. If they have suggestions for making the process smoother, it's also a great opportunity for you to improve.
Maybe it's time to move to a paperless, web_based invoicing! Because, what is a business without a healthy cash flow? Only an expensive hobby, eating your existing assets and your valuable time. Your business will reach its full potential only when your ideas can be turned into sales, and those sales into money! And all the stages in this process have to be done as quickly and efficiently as possible! That is impossible to achieve without setting up a proper invoice tracking software.
Invoices are created in on a daily basis, and that's great for your business: however, it's easy to soon start feeling overwhelmed and discouraged by the complexity of all that paper handling and invoice tracking while hard pressed for time. It's hard to keep track of all of the invoices and their processing status: can you tell at a glance if all have even been received? That's very unlikely.