Realtor Ad Sayings Realtor Contacted Me Via Craigslist- Does This Sound Fishy?

Realtor contacted me via craigslist- does this sound fishy? - realtor ad sayings

I advertised on craigslist for 3 months to sublet, and I received a reply from a seller asked whether his client was not expecting us to sublet than the customer who move into an apartment to sell real estate. The agent seems to be the person who goes between us and wants to show me some time this week. One of the fish?