If they contact me by phone instead, I follow-up with them via email or text, mostly to have a written record of the exchange.

@Daniel Klucas, depending on how much work has gone into creating the lots and whether or not you can lump them into one sale, you may still be able to do a 1031 exchange and defer the tax into that.  

It sounds from your exchange that you fall into the third category.Am I a part of Scott's Mastermind Group?

I too do SFR rental properties in SoCal ... most BP'ers assume that those will not be profitable in this market, but that has not been my experience, and I'd bet not your family's experience either :) Happy to network and exchange notes on REI anytime ...

., loan application, loan approval, inspections, satisfaction of contingencies, title transfer, etc.Attend sales meetings at request of REALTORS.Process incoming and outgoing referrals as deemed correct by the company.Special events promotion, organization, and implementation.Handle bank and trust deliveries.Handle all transaction record-keeping in an organized, complete, and clear manner.Search legal and/or city/county records.Compile information and keep records for income tax preparation.DON’T: Make representations about the services offered by the real estate brokerage.Interpret documents or answer questions concerning documents.Ask, answer, or discuss questions concerning asking price, address, number of bedrooms, or other qualities of a property.Ask owners questions as to their housing needs in order to determine their interest in listing their property.Gather information on an owner’s house or a home an owner may be looking for.Provide information to the owner on properties listed.Request the names of others interested in buying or selling a property.Direct or assist in the procuring of a prospect which is calculated to result in the sale, lease, or exchange of real estate.Here is another example.

That is why I have been investing in the US, even with the unfavourable currency exchange,I have no plan to buy real estate in Alberta.  

With regard to sourcing a mentor I've heard of guys locally reaching out a fellow investor like you have and offering to help them for free with labor items like mowing grass, cleaning out a property, etc in exchange for help getting your business into its 1st deal.  

What I was referring to wasn't the actual position of a wholesaler selling a contract and more so the idea that there is a wholesale market for homes and the way it works with them needing equity in exchange for convenience.

I'd suggest pro-rating the rent,  but  I'd tell them that you're only doing this because they've been great tenants, and ask they have the place 100% cleaned up in exchange for the cheaper rent vs. charging an entire month.      

If you're asking about the two calendar statutes within a 1031 exchange then you have 45 days from the date of the close of your sale to identify your potential replacement property or properties.