Found an empty property to Wholesale

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I was driving around my town to farm the area I was interested in and I found an empty property. According to the title search, it's a 3 bedroom, 2 bath, ranch-type, SFR. The owner had moved to CT and I think they've moved for a few years now. I used to live in the same street 2-3 years ago and I noticed the house became empty at the time.

My course of action is to send the owner a letter to express my interest on their property. I kindly ask some guidance in to this matter. How can I go about sending the owner a letter? What would you suggest for a higher chance of success?

Thanks!