The limiting factor right now is not speculation or a lack of euphoria--it's simply affordability. 

I guess it's just too many factors to consider and it easy to get overwhelmed and cannot get accurate info and estimation when I conduct analysis (ex. property tax rate, insurance, maintenance fee, rent, repair, closing cost, etc.) 

An LLC is potentially one minor factor that might contribute to the evidence that you are running your rental activity as a trade or business, but it's definitely not required that you have an LLC to qualify.

Does size of mortgage paydown become a factor here?

If your goal is passive income, it's not going to be in New Jersey when you factor in cost to purchase, management costs, and rent to price ratio, but what you can get is steady appreciation.

And just so you know, here are some of the factors an agent will look at to figure that out:Market Conditions: If the market is slower, going all in on staging can make your home look move-in ready and attractive to buyers who may otherwise be hesitant.

The popcorn machine is nice, but not something that will be a deciding factor in bookings. 

The important factors of a consolidation exchange are the reinvestment requirements and the time frame requirements.

Short answer: Yes, laundromats can be profitable, but profitability depends on a few factors.

There are two main factors that you can use to track gentrification, so why can't they be used to track the reverse?