You'll have to study your market and make that determination for yourself.

If he provides all the capital then he is a Limited partner.  

It is a full time job in itself and will tax beginners to the limit.

Maybe the seller's agent would be willing to give you limited access to look at comps?

Also in the news this week that NY lost 48,000 in population in the last year:https://www.pressconnects.com/story/news/local/2019/04/18/population-loss-plagues-new-york/3482885002/and several articles have noted that the number of TAXPAYERS in NY is dropping faster than the population:https://www.timesunion.com/local/article/Study-finds-New-York-losing-the-most-tax-payers-9223778.php Draw your own conclusions about this data.  

Don't limit yourself to believe that it can't be done while you are living in Germany.

Start studying the financial system and banking and you’ll be shocked at how it actually works.2) Amortization matters a TON because most people sell or refinance every 5-7 years on average.

I’d be curious to hear from actual appraisers on this, however as a solar professional in my experience appraisers will not immediately ad value for solar, despite the appraisal institute determining through a comprehensive study that solar ads $20,000 value for every $1,000 in annual energy savings.

@Dayne WintersHoboken (preferably Downtown),Jersey City (Anywhere off the "PATH" Train, note the Waterfront, Downtown, and Newport are nicer than Journal Square)Manhattan (anywhere really but the nicest areas are anywhere south of about 70th street)Queens (Long island city, or Astoria near a subway stop)Brooklyn (Downtown, Heights, Carroll Gardens, Park slope, Williamsburg, there are others but that's just the short list)Since your question is a bit limited I am unsure if this is business or vacation and if it is with children or without.

I'm having new shingles put on a duplex and the roofer has two options:1) BP Mystique 42 Limited Lifetime Warranty Shingles  (base shingles)2) Malarkey Vista 40 yr Warrant Shingles (+$950 upgrade)Roofer figures upgrading from base shingles will extend shingle life from about 20/25 to 35/40 years.