It's a good practice to overestimate costs and underestimate after-repair values (ARV) to keep your expectations realistic.

Start by educating yourself with foundational books like The Millionaire Real Estate Investor and practicing deal analysis using tools like BiggerPockets calculators.

I seriously looked into purchasing a few years back in Valencia but decided ultimately the US had more potential.

Also this could be a potentially lucrative business partnership.

Many of them are posers - I smile and nod, knowing that their posing will make an impression on many who dream of quick wealth, and that their incredibly transparent bullsh** will eventually blow up in their face, leading to no lasting wealth and potentially major problems for themselves and everyone associated with them.Many of these students receive referral fees if they are able to sign up other people to the expensive ($5K+) coaching programs, masterminds, mentorships, or tribes.

Also, someone suggested getting an LLC for each property I purchase but that seems like a lot... is that standard practice to do that and then just have all listed under a holding company?

So it's not really "extra coverage" for a landlord, but rather a setup that can potentially create problems and less coverage.

Considering recent market insights, reallocating your $300K brokerage account into a multifamily property while keeping your townhouse rented could be advantageous.Warren Buffett’s Berkshire Hathaway has accumulated a record amount of cash, suggesting a cautious stance due to potential market overvaluation.

You'll have tenants that don't pay, damages made, and potentially other disasterous situations occur on your properties. 

There are times when we see deals on the table that won't produce any cashflow or not enough cashflow to meet our target hurdle rate but the tax benefits or appreciation potential may make the deal attractive.