Comment by 65
I've done this. Built a whole RSS app, where I can use RSS feeds to serve me the web page itself, then customize the web page with my own styling if I want. I can also use non-RSS pages in my RSS reader and show once a day or however often I want.
The problem is with discovery, though (e.g. getting new information you wouldn't get with an RSS feed, such as YouTube videos). I still think you'd need to make your own algorithm based on your own parameters so you can get the benefits of discovery while also controlling what you see.
Feedly (paid service though) does a good job of discovery on their search tool.