Getting Info From The Agent

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I want to start practicing analyzing properties (multifamily...2-4plexes) and I'm putting together a list of all the data I need to input into the biggerpockets calculator. 

Regarding info that I need to get from agents at open houses...I've been reading both to believe the numbers and not to believe the numbers. So if I don't go by their numbers, where can I get the info from? Also, what other questions should I add to this list as far as things I should ask the agent when I go to look at properties? Anything on this list that I should NOT ask them?

-Is it rent control?

-What is the market value rent?

-Is it turnkey? Any repairs needed soon?

-After repair value

-Estimated Closing costs

-Estimated repair costs

-Total gross monthly rent

-Other possible monthly income

-What expenses are paid by me and what are they? (electricity, lawn care required? water, sewer, garbage, HOA's, insurance)

-Monthly property taxes

Please excuse my possibly bad list..I'm very new to this! Thanks so much in advance