I started with these series of tutorials: https://tuts4you.com/e107_plugins/download/download.php?list.17= https://tuts4you.com/e107_plugins/download/download.

I started with these series of tutorials: https://tuts4you.com/e107_plugins/download/download.php?list.17= https://tuts4you.com/e107_plugins/download/download.php?list... Purely hands-on. Old school. Use virtual box.