Better DIY Tools - Motivx Engine Oil Funnel

I've been doing my own auto maintenance for some time now and am always on the lookout for better tools to help me accomplish this work. I recently came across a tool that made me wonder if there other such tools that a DIYer should know about.

IMHO the Motivx Engine Oil Funnel is a tool that solves an age old problem. I can add engine oil with a fairly steady hand, however I seem to get a few drops on engine covers or elsewhere. This funnel is useful by securing directly to the oil fill cap area, helping to eliminate that potential for spills.

As you can see this funnel screws into place and has an added benefit of having a clear area to monitor fill.

It fits well on my Highlander Hybrid A25A-FXS 2.5L.

Combined with a Fumoto Oil Drain Valve, my oil changes have become a little less messy and allows a bit more time to inspect other maintenance items.

What "better" DIY tools are in your maintenance routine? You know, those that really take the work out of maintenance and are reliable and worth possible extra cost as opposed to known DIY tools.