You are going to have to have a pre-approval letter to submit an offer, and you want to narrow your search for what you can afford.This is my favorite way to get started in investing!  

You submit the application for the loan on the tsp.gov website, then you have to print out a two page form, fill it out with your bank info (for direct deposit), have it notarized, and then fax it in (of course because it’s the government they only accept snail mail or faxes).

Sometimes they will talk directly to the owners but other times if you just contact their real estate department directly they will give you information to their tenant broker to follow up.National companies get submitted a lot what they deem to be subpar sites.

HML pulled our credit and we also submitted proof funds and w2.

Just submitted to Allison another article on this.

Most conventional loans take 30-45 days, because of bureaucracy and legislated steps, see if they can move faster if you submit your docs ahead of time and just give them your current pay stubs when you are ready. 

Furthermore, submitting an offer doesn't take up too much time at all. 

The investors that do submit non-contingent offers understand the risks involved and usually have a plan in mind to deal with any surprises that may arise. 

I want to know how I should submit my offer and if I should use a hand written offer or do I need to send them a form saying my offer. what happens if they agree to the offer ?

You complete distribution request, submit it to your custodian and they will mail you the check or deposit funds into your personal bank account.