YouTubers pay monthly for screen recording, captions, clipping and scheduling before the channel earns a cent. One-time tools fix the cost of production at the price of a single video's ad revenue.
The tool this job usually means renting is Beautiful.ai, at $12-40/mo โ roughly $480 a year, every year. Slidecraft does the job for a one-time $29 โ running locally on your own machine.