Best way to go with $50k in CA( newbie?)

[John Khadiyev]

I love this site, so much info, so many options, but for me so many options create uncertainty. Looking at auctions to try and buy a property.
Question 1:What is the best way to check a title for liens or 2nd mortgage, title company? What is the cost per. Question 2: do most auctions give you sheriffs deed? I see some properties are called beneficiary sales, others are trustee. What is the difference?