By focusing on essential improvements, we maximized profit while minimizing time and investment.

You could sell and 1031 it into the next property but you'd usually have to time the sale of your existing property and the closing of your new property right.I also wouldn't worry about having central air in the property unless that is essentially a requirement for you to remain competitive with the rest of that market.

These visual records are essential for later analysis and comparison.

But it's shocking how large of a percentage of buyers won't ask for a refund even though they could because it's essentially admitting that they failed.

A Comprehensive Guide to Homebuying, it's essential to be thorough and methodical to ensure you're making an informed decision but draw boundaries, it's okay to open built-in closets and kitchen cabinets to assess the property, However, respect the seller's privacy by not invading their personal space, such as medicine cabinets, storage boxes, or clothing drawers,Interior:Architectural style.Bedroom and bathroom count, size, and location.Closet and storage space.Number of floors.Sightlines and general floorplan.Appliance age and condition.Light switches and socket count.Plumbing and water pressure.Natural light and views.Noise levels.Stairway width and type.Porches and decks.Garage and parking capacity.Proximity to neighboring homes.Remodeling opportunities.Exterior:Roof and siding condition.Landscaping and outdoor maintenance needs.Additional Considerations:Take notes and photos during the tour.Use your five senses to assess the home's condition.Ask your real estate agent questions about the home's features, flaws, and market conditions.Red Flags:Overly scented rooms.Water stains and damage.Lack of maintenance.Foundation issues.Sagging ceiling.Fresh paint that may be covering up issues.Final Tips:Be prepared to make multiple offers before finding the right home at the right price.Stick to your budget when making an offer.Don't overlook potential red flags just because you love a home.

So there's an element of practicality to what you might see as a mark-up and they might see as a way to control costs in the best interests of their clients.  

The IRS says it is essentially physically impossible to do so. 

Will they be there when it's essential?

Quote from @Rich Inman:I'n Texas we are essentially only a tax deed state.   

Junky low-flow heads come in two types: the kind that are essentially a regular shower head with a restrictor somewhere in them, and the kind that spray out a high-velocity mist.