So he must have already bought the duplex or none of these things could be happening.

Moving up from townhomes to single family residence.

Just a few tips that helped me along my journey. 

This would give you up to 180 days to sell your relinquished properties and not have to stress the identification time frames.

Here are a few suggestions on how you can maximize the wealth of information available: Check out the blogs and podcasts, or take advantage of the search feature (magnifying glass).

I've been anon lurking for years but am quite keen to roll up my sleeves to learn more.

@Marita JojoAre you selling or keeping itWhat is the rental income delta?

Let me know and I can set up an interview with the broker/owner. 

And thankfully, by the time I needed to execute on those options and actually complete the purchase of the leased properties, I had developed some private lender relationships that allowed me to complete those 3 transactions and several more thereafter.

Tenants typically stay that long because (a) the rents are way below market and they can't give up a good deal, or (b) they are bad tenants who enjoy the freedom of living under a weak landlord.