Ask for higher security in person have them back out on their own if they still want the place you will be safer with more security

Pros include securing the desired property and strategic planning, while cons involve higher costs, financing challenges, and complexity.

Do you currently have enough funds to pay first month’s rent and a security deposit?

I have a clause in the lease that says the security deposit will be held in so and so bank with so and so address and interest rate will be xyz.

Also, securing financing is no different than site built unless you're dealing with  someone that has no experience originating loans. 

The seller had a military contractor job with security clearance.

I would check this out with a seasoned securities attorney for their opinion/guidance.  

Since they are responsible for maintaining the relationship with you after the transaction closes, this approach adds an extra layer of confidence and security to your investment.If you can't find an investor agent that you like or trust that is also a Property Manager or works under a brokerage that has a Property Management Division, I would ask the agent if they recommend a Property Management Company.

Lock down the spot get it secured...That is exactly what we're looking for.

When its included in a lease for real estate then the laws pertaining to residential rental security deposits in your state apply but when its separate you should have more leeway to get some additional deposit to protect you.