Sorry to be a buzzkill but hoarding is a psychological issue that has huge ramifications.

Psychology matters.  

I've heard many explanations for why this is a basic tenant, but here's my theory... stating a number is making a commitment to the transaction and giving up the power to decide, psychologically anyway.

i think there is a technical (psychology) term for this, but would never remember it. basically it says that factory workers need to be noticed, start doing a good job, then it dips back down. anyway, great work, @Vicki K.

Does the psychological aspect of having a wonderfully lit kitchen and bathroom influence the bank's appraiser when that time comes to see how much the duplex has appreciated?

I am currently enrolled in college full time and am pursuing my degree in psychology.

I feel that sales is 99% psychology with definite steps that can be learned and followed.

Writing in prices is another technique to overcome psychological barriers of the big prices.6) request credit line increases on day 1 to boost our seed capital (which later felt like it was merely a way of enabling the students to buy the courses if they didn't have the money. 7) One of the aides told me that he was learning to be the course facilitator, but wasn't ready yet until he had it just right.

This is obviously becoming more of a psychological issue than an economic one.

If that is the case a better screening process might be needed, rather than a reverse psychology rental ploy :).