I remember one time in particular where I put out my FSBO, Open House & directional signs en route to a house we'd just bought. 

Bankers usually want to know the primary NAICS/SIC for a commercial checking account.CONSTRUCTIONNAICS 236117 - Residential New Spec Home Builder / Investor  (Former SIC 1531 Operative/Merchant Builder)NAICS 236118 - Residential Remodeler / House Flipper / Investor  (Former SIC 1531 Operative/Merchant Builder)LEASINGNAICS 531110 - Residential Holding / Rehab & Holding/Leasing for 12 months minimum (or more) NAICS 531120 - Commercial Holding / Rehab & Holding/Leasing Building Landlord (non-mini storage)OTHER ACTIVITIES RELATED TO REAL ESTATEWholesaling could arguably fall under the following extended SIC CodesSIC 6531054 - Real Estate Buyers Representatives (wholesaler/non-licensed)SIC 6531026 - House Buyers (wholesaler/non-licensed)http://siccode.com/en/siccodes/6531/real-estate-ag...These are cross-referenced with NAICS 531390

yo también soy deArgentina y estamos interesados en invertir en una de esas 3 ciudades.

http://www.cityofchicago.org/city/en/depts/bldgs/provdrs/inspect/svcs/building_violationsonline.html

https://help.airdna.co/hc/en-u... 

If my investing en devours slow down, I can always turn the realtor switch on and generate some extra revenue there.  

https://www.schluter.com/schluter-us/en_US/Membranes/Uncoupling-%28DITRA%29/c/M-Uhttp://www.mapei.com/US-EN/Tile-&-Stone-Installation-Systems/Crack-Isolation-and-Sound-Reductionhttp://www.custombuildingproducts.com/products/surface-preparation/waterproofing-membranes-underlayments.aspxTechnical White Papers:http://www.custombuildingproducts.com/reference-library/white-papers.aspx

Wife is in grad school for another 1-2 years en route to being gainfully employed again.  

Link:http://www.ccsf.edu/NEW/en/educational-programs/school-and-departments/school-of-business/real-estate.htmlThe classroom costs were about $2k + books + misc. fees.

@Dan Cho The property tax will be reassessed with the new purchase price.