Al-anon is free, Wamama. It's suported through individual donations. It's okay to participate and donate only if/when you feel capable.
Some people do a montlhy donation instead of each time the basket is passed. To allow support from the Al-anon groups and not put money into the basket was a lesson for me in accepting help from others and building my gratitude.
What I've gained through Al-anon is my own understanding of the principles and steps, and recovery for myself. What I've left behind through this is a lot I don't ever need to sort through again.
I completely relate to learning about who I am. Knowing myself in a very authentic way changes how I deal with life. It's a journey.