Substrate And Plastic Plants.

Over twenty years I've never claimed to be an expert on anything fish related and I get frustrated when I read other keepers confusing newbies on what they consider the best way to go.
Yes, all advice is welcome but I think that as long as the basic rules of clean water, temperature and biological requirements are understood your good to go.
For example, I recently changed from Malawi fish to South American Angels, so rearranging the rocks and bog wood on my gravel substrate , I put in a lot of plastic plants and let them loose.
They just love it, six very happy Angels, no fighting, no damaged fins on substrate or plastic and the tank looks stunning.
All I'm saying is don't complicate it, if the fish are happy and your happy, enjoy being a keeper with no stress.