Also, in our experience, 95+% of agents have no clue how to calculate ROI, Cash-on-Cash, Cap Rate, etc., so what are they really going to help an investor with?

If the LLC isn't set up correctly it opens up a lot of other issues - can be pierced.I don't think there's one right answer, LLC or not, depends on the individual. 

My experience is that mobiles/manufactured homes fall into three categories, a. still on wheels treated as a vehicle and are are on rented spaces b. wheels removed, the unit is put on a foundation and skirted, on rented space c. wheels removed, the unit is put on a foundation and skirted on owned land and treated as permanent, which qualifies for a mortgage.

https://www.biggerpockets.com/forums/922/topics/1175338-maxi...If you ever have any questions about how this works, feel free to reach out and I would be happy to share my experience and knowledge! 

The factor that determines the state of this investment is more often than not the time horizon of the individual investor, your perspective is everything.

Completely new to this space any advice or recommendation is appreciated. lots of ways to answer this but from experience there is existing, cash flowing inventory of single family, multifamily, commercial. there is new construction of single family, small multi family, and large development ground up multifamily. we play in the second area. all urban core higher density infill lots best locations.

As a hard money lender who works with many investors in the Portland area, I can share some insights on maintenance costs for multifamily properties in this market, though individual experiences may vary:Lots of investors report a slight decrease in maintenance costs during winter months, bc of:- Fewer landscaping needs - Less wear and tear on HVAC systems (as heating is generally less intensive than summer cooling)- Reduced tenant turnover in winterWinter-specific issues can arise:- Potential roof repairs due to heavy rain or occasional snow- Gutter cleaning and maintenance to prevent water damage- Heating system repairs or maintenancePortland-specific factors:- The mild climate helps reduce extreme weather-related maintenance issues. - Older housing stock in some areas may require more upkeep. - Strict local regulations can also sometimes increase compliance-related maintenance costsCost-saving strategies I've seen help:- Preventative maintenance programs can help reduce overall costs obviously - Some investors report success with in-house maintenance teams for larger portfolios- Energy-efficient upgrades can help reduce utility costs in the long runYour specific costs will depend on factors like the age and condition of your properties, your management style, and the specific neighborhoods you're invested in, but hope this helps!

One individual needs to make the final decisions.Dispute Resolution: Define and agree on a method for resolving disputes that may arise, such as mediation or arbitration, to avoid litigation.Change in Marital Status: What happens to the ownership if a party gets married or divorced?

@Marzia Huhow much experience do you have?

Sounds like your experience is almost identical to mine.