Unless you have multiple units with a business account. 

That's what they strive for in normal business, taking on the normal risks.     

But now we are finally ready to start a family and need the space for our home businesses, in-laws, etc.

Check out Zen Business for forming an LLC it's pretty affordable and has a "pay as you go structure" They have a registered agent you can get as an upsell for instance.

If I do go the property management route - can i get a limited service option (say in which I find the tenant, collect rent, handle most maitnenance issues) and they primarily are liasoning with my vendors during US business hours and handle any urgent maintenance issues?

It's far easier to get repeat business from a prior customer than new business from a stranger.

Business Line of Credit? 

Or when you want to scale your business, where you finally have a reliable experienced crew in place and you want to do more deals at a time. 

@Annwar Zahrieh There are certain transactional costs/ costs of doing business in Philadelphia to be mindful of, but I believe the fundamentals that exist in Philadelphia far outweigh this IF investing wisely.

What are other questions we should discuss in advance.any advise, any sample document.Thanks look at 10 joint venture deals before you do one. talk to others in other markets. if he isn't smart enough to negotiate capital or JV deals or structured finance I wouldn't touch him. every cost should be fully transparent with their margin. similar structures with investors in columbus we are the general and everything is negotiable. he should also be qualified talk to a bank first. we take title in a single purpose entity we are the LP less than 20% and the qualifier and the main investor puts the cash and gets the loan, I'm also licensed and normally sell to out of state investors.