Can I bring used motor oil and pour it into an on site container so I can keep the container I brought it in or do I have to leave it in the container I brought it in? Prefer not to have to buy a new 5 gallon container if possible ($20+)

Our staff can pour the oil out while you wait and return your container to you. If you have a weekday appointment we can do so right away, but if you request this on a Saturday we will have you park in the parking lot and you may have a to wait a few minutes for a staff member to become free to do so.

I am pretty sure they will pour it for you and return the container to you.