I would not let a keyword cluster tool pick my content calendar without a fight. Clustering is useful when it shows how people phrase the same job. It is useless when it becomes a license to publish near-duplicates.
Start with one money topic
Pick a service, product, or problem you actually sell.
Run clusters around that core. Ignore giant exports that mix informational, local, and buyer intent into one blob.
One cluster, one primary page
A lot of teams see twelve keywords and plan twelve posts.
Often the right move is one pillar page, one tool, or one comparison with tight sections.
The rest are supporting phrases, not standalone homework.
Check SERP sameness
If the top results for half the cluster are the same page type, do not split your site into fragments Google would rather see merged.
Tools do not read SERPs for you. You still have to.
Delete most of the export
Seriously. Most rows should die in the spreadsheet.
Keep clusters where you can add a distinct angle: pricing, local proof, screenshots, a calculator, a contrarian take.
The best use of a cluster tool is not volume. The best use is seeing language patterns you would have missed, then building fewer, stronger pages.