Invoicing Techniques of Pros That Your Small Business Needs
If you are still using pen and paper to write invoices and catalog your expenses then you are living in the past and need to upgrade. You will have accurate up to date records, look more professional to your customers, and get paid faster. I personally use Wave but there are many others out there for you to choose from.
You will find many more reasons to upgrade your invoicing in this article "12 Invoicing Techniques of Pros That Most Business Owners Ignore", and after you read this please upgrade your invoicing system. Your customers will thank you.