Or does anyone know of any other tricks? 

Should do the trick.

A padlock would do the trick.

I know they can be difficult, so are there any tips or tricks to increase the odds at all?

Hi @Emily Raber - You definitely have the right frame of mind in seeking a mentor - a seasoned local investor can be invaluable in helping you learn the tricks of the trade here.Just be careful that you set expectations correctly for yourself and for the mentor - most of the time that I've sought the advice of a mentor, they've directed me to some resource or material.Let me know if you think that "The Ultimate Guide to Finding Incredible Mentors" might help you in your real estate investing journey!

Any advice/tips/tricks to avoid a switcheroo?

In order to inspect the property, the lady recommended me to introduce myself to occupants as "from building department" or use some creative/salesman tricks.

I get ideas and tricks from the shows.Many people get into markets to follow the crowd when they should be exiting as the old wise investors are doing.For example, do you recall the technology hype days in the stock market in the late 1990s.

Being a California resident can be a trick when navigating LLCs with due to the franchise tax.

The trick is to try to separate your emotions from the decision.