Using RSS feed reader to find deals?

[Zachary Bliss]

I recently read an old article on BP that mentioned using an RSS feed reader to set up alerts on websites where I get emails every time a new listing is posted with a specific keyword, such as Fix / Flip / ARV / Investment etc. I am looking to set up alerts for sites such as:

Craigslist
Trulia
Backpage
FSBO.com

And possibly even Facebook Marketplace (not sure if that is possible), it was an old article so I was wondering if this is still possible? 

I am looking into Feedly or Inoreader but I am not sure if they are capable of this. If anyone is familiar with this, could you help me out please?