Given the information you provided, you indicate you're incapable of pouring oil without making a mess, even with a funnel. If pouring oil stumps you, perhaps vehicle maintenance is beyond your capabilities? Open fill port, insert funnel, pour oil, close fill port. It really is just that easy...
I donāt care about the resources. Iām changing every 3k, regardless. The cost is pocket change. People can change at 10k or 50k, itās their choice.
This has to be a troll. Is this really a question? How do you not know how to pour oil without spilling? Its not a difficult task. Pour, watch flow, adjust flow, continue pouring. You can also simply hold a standard funnel while pouring into the funnel. Shocked and amazed! Heat and contaminants...