Haha, good question. I have tried:

* French press. Makes great coffee easily (but not super quickly), but the clean-up is a huge hassle and makes the total iteration time not worth it. I gave up on this quickly.

* Aeropress. Makes good coffee and the clean-up isn't too bad. Pretty quick and not too fiddly to do. I did this for a couple of years.

* Mr. Coffee drip coffee. Makes mediocre coffee very easily, pretty quickly, and with fairly easy clean-up. I did it this way for several years, but the coffee gradually got worse and worse. I tried cleaning it out with vinegar a few times but eventually ditched it.

* Pour-over. Very simple, fast clean-up. Can make good coffee but it took me many iterations to dial in the parameters and making it was always fiddly and somewhat mentally taxing. I don't particularly like the fresh and fruity flavor that pour-over leans towards, otherwise I might have stuck with this.

* Keurig. I hate the old DRM-based business model, but now they have reusable K-cups and take regular coffee. This is what I do now. The coffee is only mediocre, but it is very fast. Faster than microwaving a cup of hot water. Like wizardry. The clean-up is very simple and fast.

I think I prefer the coffee from an Aeropress more, but the convenience of the Keurig is hard to beat. Really, I just need a tolerable unit of caffeine first thing in the morning in order to be a functioning human.