I think that can improve your perception of how much water/pressure you're getting, since it can be adjusted for different preferences.

This gives us an opportunity to adjust the rental fee based on area demand.

Stay informed about market trends, property management best practices, and adjust your strategies as needed.

I feel like you should be able to customize the mortgage section of this calculator but I can't figure out how to adjust my payments to the amount I agreed on with the seller. 

For extra formality, put it on a nice document with your letterhead.Re: Non-Binding Letter of Intent to Purchase Real Property Located at [Property Address]Dear [Recipient's Name]:This non-binding Letter of Intent ("LOI") is submitted by [Your Name] (the "Buyer") to [Recipient's Name] (the "Seller") with the intention of setting forth certain preliminary terms and conditions for the proposed acquisition of the real property located at [Property Address], inclusive of all improvements, appurtenances, and fixtures thereon (the "Property").Purchase PriceThe Buyer hereby proposes to purchase the Property for a total consideration of $[Amount] (the "Purchase Price"), which shall be subject to adjustment based on the results of the due diligence investigations and final negotiations.Earnest Money DepositContingent upon the execution of a definitive Purchase and Sale Agreement (the "PSA"), the Buyer shall deposit earnest money in the amount of $[Amount] (the "Earnest Money") into an escrow account designated by the mutual agreement of the parties.

Vacancy control prohibits rental housing providers from adjusting rents to market rates when a tenant moves out.

It depends on the state.For example, GA starts with federal AGI and then makes adjustments based on GA tax law. 

Thank you, I will adjust my numbers and get an exact quote for insurance.  

Eventually when I am at final stage of green card application (I-485 Adjustment of Status), the USCIS will look at my past 3 years tax return.

I wouldn't adjust your terms, I would adjust your pitch because it's missing the mark.