Make a decent offer and then offer again if necessary until a deals made. you don't give much info here to give proper break down but  use the tools provided on here and you will find the way i'm positive!

I found this thread to be very insightful - https://www.quora.com/What-tools-do-you-use-to-manage-your-Airbnb-properties

Is this worth it, my area's median price is 900k but i am new and have not sold anything yet.

In Quebec, there are several tools available for investors to review liens/transactions on a property/transactions (Index des Immeubles) as well as owner and tax information (Role d'Evaluation) .

Secondly how would we both win if she sold and I purchased? 

I'm not a 1031 exchange expert but have bought and sold 6 properties this way in the past 2 years (1031 exchanges)Would be glad to help how I can - can also give you some tips on what I've learned may be beneficial for estate planning as far as navigating Assisted Living/Medicaid HCBS etc - (Tip - unless you want your mother to go private pay in assisted living and drain all your money you may want to start getting assets out of her name now - guess it depends on where she'd want to live and how much you want to spend) -- Anyways we've been trying to become experts at our facility on HCBS and the different waiver programs (specifically Physically Disabled - which your brother may fall under at some point and Frail Elderly which your mother can fall under at some point)

@DJ Riehm push the  tools button here on bigger pockets brother and look into the resources category there you will find all the answers to your questions.

I've lived all over the country and have owned and sold multi families and sfh's for the past 24 years.

If anyone can point or explain how I can research market trends on houses being sold in an area so I can always be on the know and develop a competent understanding of my local market. 

@Caleb Heimsoth The realtor can't build the contract to be sold to me but also be assignable?