People now get one to two hours less sleep each night, on average, compared to 60 years ago. A primary reason for this is the proliferation of electronics, which also allows us to work (and play) later than ever before.
The Internal Revenue Service requires that individuals be able to produce records proving any income, deductions or credit claimed for at least three years from the date of a return, the statute of limitations for how long the I.R.S. has to assess additional tax if all income was reported correctly.
Step 2. Keep your invoices in an invoice book. As with spreadsheets, both paper and electronic invoice books exist. You may want to utilize both options by keeping a hard copy of your invoices in a paper book, and then uploading each invoice to your computer to store them in the electronic book. Related Reading: How to Create & Track Invoices With Google Docs. Step 3. File each invoice in a filing cabinet. Placing each invoice in a folder and storing it in a filing cabinet ensures that youâll have easy access to the invoice. As with spreadsheets, you may organize the invoices according to company, type of invoice or the occurrence of the invoice.