Am I over thinking this? Or did I mess up?

A friend who I truly like (and she knows) and just got out of a relationship (guy used her for a green card wedding ). She was asking me over text questions about selling her ring. I offered to help and to make things not awkward I change the subject to her job. And then I sent her another text saying " keep your head up. You're going through this situation very strong and I'm here if you need anything." She read my text but hasn't replied in hrs. Did I mess up? am I just over thinking this? I obviously know she's not looking for anything now, but I'm hoping for something in the future.
Am I over thinking this? Or did I mess up?
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