It can be challenging to estimate the resources needed to extract data as use cases may vary significantly. That's why the best course of action is to run a test scrape with a small sample of input data and limited output. You’ll get your price per scrape, which you’ll then have to multiply by the number of scrapes you intend to do.
Watch this video for a few helpful tips:
https://www.youtube.com/watch?v=-wyz2iscZ30And don't forget that choosing a higher plan will save you money in the long run.