For internet and phone usage, make your
best conservative estimate of percentage of business use.
However,
in the event of an audit, the IRS may ask for written records to distinguish between personal and business use for the
internet and cell phone.
To enter
cell phone and internet usage in TurboTax Self Employed
To report your business expense in
TurboTax:
Type in schedule c in the search box, top right of your screen
Click on the first category Jump to
schedule c link
Follow the prompts and online instructions
Arrive at the Your Business page
Scroll down to the Business
Expense category
Click start or update next to Other
Common Business Expenses category
Arrive
at the
Let's write off some business expenses page
Scroll down to the Communication
category and make your entries