Ok this may be a simple question or I might be on the simple side, but for those of you who maintain your coach and undertake fluid changes (oil, coolant and transmission), what do you place under your coach to collect the fluids. (In my time, 35 years ago...yikes when I worked at the local gas station we used a gas tank cut in half to collect fluids when the car was not on the hoist. We typically drained the radiators without using the hoist). I am asking this question due the volume of fluids that need to be drained and I'm unsure what is commercially available other than large buckets/pails.

Thanks for your response in advance.