I am sure they would not be the first foreigners to invest in the US, I just want to understand how can they do so by either minimizing (legally) their tax implications in the US or avoiding double taxation.

. I have seen situations where landlords and tenants are both very firm on their requested rent price and it was a minimal difference and the landlord let them move out and the money it cost the landlord to clean fix paint and rent the unit out to a new tenant outweighed the difference they would have made the tenant after moving expenses and paying first class and Security again probably outweighed what they would’ve paid had they just stayed so sometimes it’s better to just negotiate and flex a little to renew a tenant than to keep swapping tenants.

He recommends the Shluter Ditra/Kerdi systems plus their pan assembly kits, to minimize leaks and mold.

That's where I've been gravitating and it's approachable, achievable, and allows the average, Mom & Pop investor to enjoy the fruits of their labor with minimal headache. 

It's essential to budget for contingencies and plan accordingly to minimize potential setbacks.Ultimately, whether updates like kitchen and bathroom renovations will significantly impact the equity of a condo depends on various factors, including market conditions, rental demand, and the cost-effectiveness of the renovations.

We have found the amount of work with bank accounts, taxes etc is not worth the money as the risk is so minimal.

May or may not be a CPA or EA, most likely they are seasonal, most likely you'll never talk to them again if you have an issue, you'll get someone else, most likely you will receive minimal to no advice on any kind of strategy, and definitely no follow up.If you are getting good service from a knowledgeable professional, $1,200 is likely a good deal. 

the cost of the higher limits is minimal compared to the higher protection it provides the tenant (and indirectly to you).

It helps you get into real estate with minimal down and allows you to reduce your living expenses.

There will be significant cost and time involved, hence the alternative, pre-emptive steps outlined.Focus on loss minimization rather than an emotional response.Best of Luck -