JustWatch

With the abundance of streaming options available, sometimes the hardest part is finding something to watch and not over-paying for rentals.  JustWatch makes both a snap with its ingenious interface.  You can select one or more of your streaming services and get a list of options.  You can also click on a title, like the Avengers Endgame movie shown below, and see if it's available for free (stream), and where and how much it costs to rent or buy.

https://www.justwatch.com/us