That's what I do. It's really not very difficult if you don't have a complicated income situation. Even with some self-employment I found it straightforward. Once you've done one year, subsequent years are very similar (but read the bulletins that talk about "what's new this year" because there are always differences.

The spreadsheet downloadable at https://sites.google.com/view/incometaxspreadsheet/home (no affiliation) is helpful to avoid math errors and get the entries from the various schedules into the proper place on the main forms.