By focusing on the quality of early adopters, rather than just quantity, we ensure that new members find a platform already populated with valuable connections.We're also implementing a referral system that rewards our early users for bringing in their trusted contacts.

By rich I mean they completed an application, paid the screening fee and we show that their income is sufficient to cover all of their own expenses plus pay for rent and any damages at the unit we are renting their child.

Your water heater is sufficient for one person but most sites I've seen would say it is undersized for  2+ people which would be normal in a 2BR apartment.Instead of adding a new hot water heater, another option might be to add a parallel 20-gallon heater. 

While the latter may seem more economical, it's only viable if your property has sufficient space for a new leach field.

If its done by a reputable company it should be sufficient.

Older properties could allow for a higher quantity of investments and potentially more cash flow, but I lack experience with these and would consider working with investor friendly realtor and property managers.I would greatly appreciate any advice on:New constructions vs. older homes.Self-managing or working with a property manager.Identifying promising locations for long-term rental investments.Thank you in advance for your time and help.

Just doesn't work that way.If you want to grow with quantity/volume, have deep pockets and re-circulate capital in high RTP areas and get a few houses a year.

I think telling people the truth probably cuts into profits and enthusiasm for “Dear Leader”: (That’s a “cult” term)Since the Subject To purchaser makes the mortgage payments and owns the property, the IRS deems that sufficient enough to take the deduction, per my recent IRS audit which includes a large portfolio of Subject Tos and various other creatively financed properties.

Note that conventional loans allow 5% down for multi-families now...It sounds like even with your father's help, you still don't have sufficient funds, much less also having additional reserves...What, may I ask, is your job? 

Best of all is that there is no self sufficiency requirement.