I renovate to create a bullet proof, durable dwelling and always include a few basic frills (tiled tub surround...refinished hardwood floors...mini blinds on the first floor)I always remove obsolete items like gravity furnaces (love used 80% efficient units and used gas water heaters...I'd drive a hundred miles to pickup a truckload at the right price) and definitely remove cast iron tubs with those silly ring shower curtains for new tubs with a shower head. 

Say the plumbing is old, obsolete.  

I think the monthly rent system is unfair and obsolete, because 7 months out of the year- more than half- tenants get to pay LESS than what they pay the other five months, per time spent living at the rental property.

In a few years when these types of engineers either become plentiful or become obsoleted by the next generation of experts (perhaps robots), AI salaries will decline.

IE they just build new units and the old one's become financially  obsolete and end up with all sorts of vacancy problems.. but any way not really any kind of expert in that..

They are considered functionally obsolete around here.  

Now, is this eviction considered obsolete until I actually receive my cert?

And make sure to account for the following expenses:1) Mortgage2) Mortgage insurance (PMI or MIP) or FHA Risk base3) Property Taxes4) City Taxes5) HOA (Home Owner’s Association) Dues and Fees and Assessments6) Insurance a) Property Hazard Insurance (0.3-0.45%) b) Flood Insurance c) Earthquake Insurance d) Umbrella Insurance7) Vacancy Rate (usually 8% - the equivalent to one month a year, or 5-6% if multifamily and/or if experienced, if not use 8%)8) Utilities (you’ll have these if your tenant is not covering them and/or during vacancy) a) Water § Sewer § Garbage b) Electricity c) Natural Gas d) Propane9) General Maintenance (usually 5%) a) Upkeep § Landscaping b) Snow removal c) Repairs d) New Appliances e) Make ready10) Capital Expenditures (usually 5%, higher is the property is old and obsolete, less if fully rehabbed and all mechanicals and roof are new)11) Property Management (8%, even if you self manage, your time still has value and there might be a time when you'll want to be completely hands off or you'll not be able to do it, vacation, retirement, etc.), including...

You might want to recheck because while I'm not an attorney, I'm very confident GRATs and GRUTs are not absolete[sic] nor are they obsolete.

Here's something to think about,Domestic and foreign issues keep scrap prices lowBy John Ambrosia - Trend Analysis - April 20, 2015Along with April’s mostly sideways markets came another dose of reality for sellers in...