For example, if I were to remove a window and put in a new patio door and it cost me $450 I could have it be a expense even though it would be clearly a capital expenditure.

For example, you set up key word alerts. http://www.biggerpockets.com/alerts

-> Example: Some agents keep track of individuals who back stab    them or were difficult clients. 

For examples, The big banks all have mobile apps, country wide branches and superior 24hr customer service.

Once you throw in a couple of holding costs like insurance for example I don't see that any where, or even a tenant turnover your in the red with little hope of clawing back out. 

Write a letter explaining your past successes, explain HOW you can be an asset to their organization and prove it by examples with references.

For example, you set up key word alerts. http://www.biggerpockets.com/alerts

For example, you set up key word alerts. http://www.biggerpockets.com/alerts

Distressed sellers who have a greater need to sell the house immediately instead of waiting for a market offer are the classic example, but there are obviously other situations that create this imbalance. 

Over Improving would be fixing/renovating a property to a point were you will not recoup that capital investment because the neighborhood comparables will not support a value that high.An extreme example would be installing a $100,000 in ground swimming pool and patio in a home in a neighborhood where the homes typically seller for $85,000.