YouTube Thumbnail Designer

I'm starting a YouTube coaching channel helping small creators grow on YouTube. I'm looking for a reliable thumbnail designer to make 3 thumbnails a week (to A/B test for 1 video weekly) to work with on an ongoing basis.

Style - Something minimalist/business/talking head oriented, here are some reference points:
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If you're interested, please let me know:

1. What kind of rate are you expecting?
2. What is your expected turnaround ---------- of revisions?
3. Please link to portfolio showing examples of previously made thumbnails in a similar niche.

If I think we might be a good fit - I'll offer a paid trial.

Thanks,
Jack