Free lesson. Practice the **** out of swapping in any order from A B C D E and G. Once you're comfortable then google the tabs for the songs you want to learn. Those are the most used chords. Most songs will have a version of those with a couple of different chords thrown in.
That was how I taught myself. The hard part for me was ignoring the other instuments while listening to a song I want to learn. There's so many songs that use the same chords that it's just a matter of the order, how you strum, and the rhythm. And yes, that's what she said.