Of course if there is an SFR deal that would make sense to hold, Ill add it to the portfolio.

Property Transfer Tax - We have transfer taxes when you buy a property based on the fair market value of your home (based on the following scale):  1% on the first $200,000,2% on the portion of the fair market value greater than $200,000 and up to and including $2,000,000,3% on the portion of the fair market value greater than $2,000,000, andIf the property is residential, a further 2% on the portion of the fair market value greater than $3,000,000 (effective February 21, 2018).Additional Property Transfer Tax on Foreign NationalsAdditionally if you are a foreign national: another 15% tax of the fair market value of your homeSpeculation and Vacancy Tax - if you own a home that is not your primary residence and is not rented out for at least 6 months of the year you pay an extra tax 2 per cent for foreign nationals and satellite families who do not pay income tax in Canada;1% on the first $200,000,2% on the portion of the fair market value greater than $200,000 and up to and including $2,000,000,3% on the portion of the fair market value greater than $2,000,000, andIf the property is residential, a further 2% on the portion of the fair market value greater than $3,000,000 (effective February 21, 2018).1 per cent for Canadian citizens and permanent residents who are not resident in B.C. for income tax purposes (and not members of a satellite family); and 0.5 per cent for British Columbia residents who are Canadian citizens or permanent residents (and not members of a satellite family).

Compared to an IRA, Solo 401k contributions limits are roughly ten times higher.There is no custodial requirement for the 401k.You don't need the additional expense and administration of an LLC to have checkbook control.There is a built in-Roth component whereas IRAs are either traditional or Roth, not both.A spouse can also participate in the same Solo 401k plan.The Solo 401k has additional tax benefits over an IRA when investing into real estate using leverage.The penalties for prohibited transactions are less severe.

Does anyone have any additional info?

Great and valuable insight.

So I have a few ideas that I learned from my mentor that you may find valuable.

I learned a valuable lesson very cheaply and I am thankful for that.

I like the ideas I've seen of making two payments to the owner ----- one for the market price "rent" and one for additional down payment. 

If you think I would need more core services before I can break through the value-given threshold for investors, which services do you think would be most valuable to go after first?

Additionally, we didn't have trouble pulling the trigger, so to speak.