You will need to have access to MLS for this step since you will need to see all the terms of the purchase of the properties (if there were seller concessions, etc.) and in order to see the condition and quality notes (C3, C4, Q4, Q3, etc)  So the closer the comparables are to your home in condition, square footage, year built, BR/Ba, ans date sold the better it is for your case.And just for a quick info point using comparables that were built around your build date are fine. 

My family has been investing in commercial real estate for as long as I can remember with a huge amount of success. I’m now wanting to get into the business as well. However, my grandparents are the ones who started i...

They find their way under the roof and will raise a family there to your tenant's annoyance as they will make a lot of noises (especially in the middle of the night when everything is quiet) Step (1) Get traps laid. in the attic for 2-3 weeks atleast  Step (2) Seal and caulk all openings

And what's my next step?

If my tennant buyer would like to exercise option to buy what is the next step I should do?

Judicial foreclosures are more complicated and have more steps involved than the non-judicial FCs but, if you know what you're doing, you can streamline the process far better than any large institutional lender can.

(I like the West Coast)Also, what steps do I need to take to become an agent, do I need any kind of college degree or is passing the course enough?

This step lets the potential seller know that you are not going to try to pull anything fast on them.

All in all, this was a great first home, great first investment property that provided us with invaluable experience and education and we used it as a stepping stone to pursue more opportunities.

You are taking the right steps.