Here are a few suggestions on how you can maximize the wealth of information available: Check out the blogs and podcasts, or take advantage of the search feature (magnifying glass).

Here are some great resources for you to check out: The Book on Estimating Rehab Costs https://www.biggerpockets.com/forums/12/topics/862964-wholes...Wholesaling Calculatorhttps://www.biggerpockets.com/blog/rookie-241?

https://www.biggerpockets.com/blog/brrrr-loans-what-are-the-...

Again, the BiggerPockets store has some books on this topic, or you can learn about it by watching podcasts, reading blogs, and interacting on the forum.

We have blogs and articles out there working for us. 

Either way it would be a grey area, selling a house with a different amount of units/bedroom/bathroom seems extreme though. its an auction site, I have seen auction sites miss the fact there was additional lots in a sale.

Again, the BiggerPockets store has some books on this topic, or you can learn about it by watching podcasts, reading blogs, and interacting on the forum.

I recently signed up for BP and found the calculators on this site to be very helpful.  

Likewise, a property manager should be added to a landlord's policy.From my blog: What does it mean to add your property manager as an additional insured?

Average rental rates, vacancies, competition, growth, appreciation, etc..Ive heard of scrolling through Zillow and collecting information by looking at properties for sale/rent but was wondering if there is a site where all of this information is easily accessible or any ideas for better ways to go about it.Thanks in advance!