In the absence of commercially available pipettes, or tabs that go all the way down to the bottom of the tank (read: there aren't any, especially for bladder tanks), you have to default to tanker fuel in this hobby, since you cannot accurately visually determine the contents of many of the tanks in question when below factory markings, and the FAA shares that opinion of blame when it comes to indicators perennially lying to you. Some tanks you can't even visually determine at all (inboard tanks of PA-32R-300/301 system). Homemade dowels are a joke, and commercially available tank model specific pipettes are unavailable for the vast majority of non-trainer airplanes out there, especially the majority of bladder equipped airplanes. It's a moral hazard run amok.
I'm surprised there's no commercially available pipettes pre-calibrated for the Beech 33/36 fuel tank variants, considering how popular the model is.
Fuel indicators are important, they are essential to identifying fuel leak/siphoning.In my work plane, malfunction of a fuel sensor is reason to terminate the mission and even declare an emergency, since the USAF recognizes I have no way of verifying the true contents in all flight regimes based on a highly variable fuel flow. But in my recreational life I'm supposed to wing it and call it normal ops.
Like I said, this is just a euphemism for you have to tanker fuel. People should just come out and say that's what they're personally comfortable with, and stop scapegoating those who attempt to operate on part-fuel at takeoff. Commercial operators laugh you out the building wrt tankering, but they get away with it because they can afford to cost-shift the good stuff, so GMAFB. What we need to do is stop excusing the abysmal failures of part 23 on the economic front, and aspire for a better solution in the interest of safety of flight down here in little guy land. These games of "gotcha!" merely make our avocation less accessible to the average aspirant. I just can't get behind that gatekeeper tendency. As I said on the OSH thread, we bemoan the lack of interest, and when we get it we complain about the quality of the company....