Write the promise in one sentence
Before a calendar, write who the video is for and what they will be able to do or see. If the sentence needs the word "and" twice, it is two channels. Beginners grow faster when the homepage, the titles, and the playlist all repeat that one sentence.
Plan four videos, not a content empire
Each video gets one job: teach a step, show a result, or answer a question the previous video raised. Put them on the content calendar and download the .ics file if you want the dates in a calendar you already use. The tool does not upload anything.
The month-planning guide is the longer version. Start from days you already publish, not from a chart about someone else's audience.
Leave one slot for a fix
Use one of the four slots to retitle or rewrite a description on a video that is already public. New uploads stacked on vague old ones do not tell search what the channel is. The mini-audit names candidates from the public metadata.
Review the month against the promise
At the end of the month, keep the videos a stranger could file under the same sentence. Drop the format you did not finish. Paid plans can store the next month against the channel's own weekdays. You still have to film.