The process for commercial properties is basically the same as residential properties, so it takes work.Again, echoing Dominic, a good investment is a good investment, whether you spent 8 months courting an owner to get them to sell to you, or whether it is on CBRE/Cushman/Marcus/Loopnet or any other brokerage website.  

Here is one piece of advice When looking at areas to invest in check out this website https://www.areavibes.com/ its pretty cool it gives you a total livability score and rating for that areaBest of luck!

Quote from @Chris Lo: Which platforms/websites do landlords use to find the rent rate, how long the rental properties have been on the market, and all the details about other rental properties?

On-line Auction Foreclosure Website.

Quote from @Eyad Ahmed: Starting my Virual wholesaling plan from egypt is quite challenging but doable i'm targeting indiana market with an established LLC and the deal machine software and mojo dialer and a presence whether on social media, a website,etc  looking to connect with realtors as I'm looking to start novations as well alongside wholesaling any recommendations about my plan or tips and trick's on how to close my first deal, also if there is any buyers in, fort wayne, indiana polis,munchie drop your email to add you to our end-buyers list also any recommemdations of title company that deals with digital banking for example: mercury,wise,relay and is investor friendlyI am the owner of DealMachine and also have 19 properties in Indianapolis.

I am certain, I have many more questions and things I should consider and look forward to reading many of the informative posts on the website and look forward to hearing your advice, thoughts and/or questions.Thanks!

I have no experience with this group but just visited their website. 

Another way is to check out this website.

Their website says they do lots of things in the real estate world but there isn't much detail.

I tried to go to the website referenced, but it gave me a 404 error.