Should I say something or cut my losses with this potential employer?

I interviewed on 11/25 and it went really well.

I decided to follow up on 12/03 and the employer responded immediately telling me she was glad I followed up and would be in touch with me shortly. It’s been over 24 hours. Should I reach out again or just let it be?

I’ve kind’ve given up hope since I’m not seeing too many green flags.

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