I have found some options which seemed ideal in sync with the BRRRR method, however from looking on sites like Zillow and Redfin, there just seems to be so many available options, for nice rentals and good rates, so would it even be ideal to buy in the area if it would be so difficult if even possible to find a tenant?

I used furnished finder and keycheck to find tenants, screen them, and collect rent/security deposits. 

Like you, I was eager to start investing in real estate but decided to hold off until I had more visa security.

I do a lot of direct bookings that take security deposits, but with Airbnb, they are always tough.

An estoppel certificate is a form you have the tenant sign that confirms their lease start date, the amount of their security deposit, and other things.

This method allows you to take some of the profit tax free and indefinitely defer the rest of tax, using it to purchase larger, nicer property/properties in areas with better cash flow potential.

This is technically a method of buying/selling real estate, which is illegal without a real estate or law license. 

First, request the current rent roll, which details each unit’s rental income, lease terms, and any security deposits.

I look at the tenant's financial situation (income security) as a very important part of the property analysis. 

This needs to be highlighted in the lease and acknowledged by them.Security Deposits: You can’t use their security deposit for routine cleaning, but if they leave things in bad shape beyond normal wear and tear, it’s fair game to deduct cleaning costs.I’d start by having a straightforward talk with them about the importance of keeping things clean for health reasons and property preservation.