This information is not just if you’re broke.

It greatly depends....however lenders want to see justification for an increased price in a short period of time.

(Low interest rates are a justification for, not the cause, of cap rate compression.) 

One of the most common justifications used in the argument that our house prices are due for a precipitous fall is that rock bottom interest rates have nowhere to go but up.

Submit your best Offer/s - no need for justification.

Update:  I sent my tenant a simple and polite letter that stated the new rent amount (+3%) without any justification, and attached the new lease. 

It was just if this would be a way for an owner to put away more money into an asset. 

You can ask them their justification for the exorbitant value.As to the sudden bill, welcome to the fun and exciting world of owning real estate.

But it sounds like you want the justification to go buy what you want, you might tell the wife that but she'll know better in short order anyway, as much as it is actually used.

Operating with fear and limited knowledge forms justifications to deceive with weasel clauses, stories of partners that don't exist, Mike, there isn't a transaction done that does not have an audit trail.