They need a contract with email addresses and social security numbers to provide the amount.

I understand this is a good way to become financially secure over time and am eager to start.  

Ian - do you have any recommendations for a good securities law attorney? 

I just had tenants move out of my investment property (duplex) without paying for the last month's rent, and the damage they inflicted onto the property exceeds their security deposit amount.

Choose the Right LocationProximity to Campus: Prioritize properties within walking or biking distance to minimize transportation costs.Safety and Security: Research neighborhood crime rates and local security measures.Access to Amenities: Look for nearby grocery stores, healthcare facilities, and entertainment options.3.

Think of vehicles like the cyber truck where you need to sign up ahead of time to pre-order and so many people want it that the value increases shortly after they are released.

Nothing you mention is "ordinary" and you should charge for all of it. dodged a bullet there thats a very good price take it from the security deposit and call yourself lucky. 

House hacking is an excellent strategy, especially with the potential to use an FHA loan to secure a property with a low down payment. 

What is the security on the above?

Now, I'm imaging a scenario when every one of these tenants move out that I'll be paying their entire security deposit + interest even if there are damages beyond normal wear and tear.