suppliers

I've been poking around Alibaba and noticing a lot of reproduction 40 parts, from past experience with Chinese suppliers (fidget spinners hahahah) I know quality can be questionable at best. Has anyone ever tried to source a steel 40 roof? I've seen one at a local shop here in Portland but...

Are there any suppliers out there that sell bulk oil? I would love to be able to just keep a couple 5qt jugs of oil around and when I use them go get them refilled. Between my five cars I change a lot of oil and I don't like tossing those jugs in the garbage. Might not exist, but just thought I...