For RTS you just need to remember one thing.
Your resource gathers are always going to be way more important then you expect. That's why i can't play them often. I hate having to manage the little peasents so much.
FFT is an easy game as well... if your a begginer all you need to do is "Level grind" your characters by walking back and forth over green territories. You'll end up fighting random encounters that you can use to level up past your opposition till you get the strategy down.
You'll hit a brick wall once you hit the 1 on 1 battle if you don't know what to do though.
SRPGs have some pretty basic rules though. Basically, gang up on one guy at a time and make sure you can pull back low HP guys.








