My advice would be go for the most they will loan you as long as you're in an appreciating market and you can find a value-add. It's

As you gain some experience, your value proposition to others increases, which will then make it easier to raise money for your own deals.

The buyer pays taxes on the crypto gain and the seller pays taxes on the property value gain.

Additionally, it's easy for a house on one lease to get absolutely trashed by the renter.

As a backup plan, if I have to go with a local PM company that only leases the entire home, could I use an addendum to add additional tenants to the existing lease while ensuring everything is legally structured?

Here in FL a pool trumps all and having a spa feature built in offers additional ROI. 

You can assume about 1% in closing costs in addition to commissions so you're starting around 7% before the seller gets any cash at closing. 

In addition, you've got your HELOC on your primary you'd have to be paying back also.

Connecting with a local expediter or a GC who regularly pulls permits in the area can help you navigate this quicker.3️⃣ Financing & Appraisal Risks – Depending on how bad the foundation issues are, lenders may be hesitant or require additional conditions.

However, you have the additional question about if and how you might enforce a judgement in another country.