Do not count on anything happening in the future. 

I would much prefer to be pleasently surprised then to count on something that may not happen. 

.- For  most (95%) of scenarios, rental income from the unit you are vacating will not be counted by FHA.

Yes banks will count I believe it's 75% of rental income when qualifying for conventional loans.

The landlord then decided her boyfriend was over too much (he isn’t living there but the landlord must be watching and didn’t define the “three times” as specific time limits, so daytime guests count the same as overnight) THEN the landlord said that my friend would have to pay more per month ($50) to have guests up to 10 times because of “wear and tear” and utilities.

The bank was going to require 100% of PITI to be counted in the ratio, even if prepaid as part of the loan for the year in which we intended to complete the flips.

However, the profit treated as capital gain would not count as income for loan qualification purposes, thus lowering his income (of which the profit was a significant part of income for the year).

She Is counting the walk through dining rooms as bedrooms.

THAT is the point of the article you posted thinking it's proof that email doesn't count...The author even explained it IN the article....The emails were forensically traced on the military servers.

Do not count on anything that depends on the future.