First one would be Zillow Rooms - in terms of range and scope of audience.If you want to be formal and have great photos then try on coliving.com Also I believe that booking.com allows it. 

If you have good credit you should be able to get in the 5.5-5.75% range for your refinance.  

Real estate is an in-efficient market, that's why banks require 25% down - that is deemed a sufficient buffer in case a property has to be liquidated.

You can get solid cash-flowing single families in the 90-120k price range and duplexes in the 130-180k price range.

Speak to your lender/broker for a closing costs estimate, which will be much more accurate than a percentage range. 

As for statistics on wrongful imprisonment, a quick search comes up with numerous sources in the 2%-5% range.

I ran number multiple times but my estimation seems not great as I am not sure what percentage I should allocate monthly expenses as the recommandation is a range such as 5%~15%.

Moving a gas appliance (range, or furnace) would require a permit.

My houses are usually in the $200K-$250K range

The building is in a cheaper suburb value only $250k range so I want to get this done affordably and need do all 4 units.