How does a realtor work? How long does it take to find houses?

I got pre approved for a 75,000 loan for a house. I also signed up for the dallas mortgage assistance program, which I know they're pretty strict about making sure the house passes inspection. I talked to a realtor and to be honest I don't know what I should expect from them. Should they be calling or texting me lists every now and then or every week? It's been about a month and I have only seen 1 house.

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