JD, don’t disagree on some of the points you’re making above on responsive Web versus mobile app development, but it all comes down to level of engagement and what you’re looking to do with a site or service.

In return for excellent service I'll be offering repeat business and I'll happily provide referrals to my existing investor network for those top performers. 

You can put a mortgage into a "trust: without triggering a due on sale but again contacting your bank/lender is the best route to avoid any issues.Some banks/lenders or servicing companies change guidelines and even a trust may require other paperwork but the attorney usually facilitates that to be safe.  

If they say Service Link, find another house.

Sometimes hard to find this happy medium in rate sheets, though.Another consideration would be taxes - points are typically treated as interest, so if your tax obligations are high this year vs being higher in the future, then this could also impact buying down now vs paying a little more in interest in future years. 

I started with single-family homes and then moved on to condos, typically holding onto properties longer than I probably should.

@Rory DarcyRecommend you first figure out the property Class you want to invest in, THEN figure out the corresponding location to invest in.Property Class will typically dictate the Class of tenant you get, which greatly IMPACTS rental income stability and property maintenance/damage by tenants.If you apply Class A assumptions to a Class B or C purchase, your expectations won’t be met and it may be a financial disaster.If you buy/renovate a property in Class D area to Class A standards, what quality of tenant will you get?

Ideally, I’d like to become so much of value that I’d be paid for my help/ services.

As much as I can I try to keep my clients out of serious foundation repair as it is typically not a one time repair, but an ongoing issue over time. 

I take a picture of their driver's license.I ask for phone numbers that accept texts and any alternate land or business phone numbers.I ask for the names and birth dates of anyone under 18, and ask if there are any service / emotional support animals, together with their names and breeds.I also ask for personal references, previous landlord contact info (and length of time there), employer contact info (and how long there, together with earnings), as well as the name and contact information for their manager / boss.