I searched around but couldn't find any mention of these cheap multi component testers. They can be found between $10-$30 on amazon, and can test Resistors, diodes, Zener Diodes, Capacitors, and Transistors. I've used them for many projects and are generally pretty reliable and accurate. The chinesium content is high however, so I wouldn't expect these to last very long. Yes, much of this can be done with a multimeter, but it can auto detect the component and give you a visualization.

Cheapest one with color display:
https://www.amazon.com/ICQUANZX-Transistor-Inductance-Capacitance-Resistance/dp/B07V557KXP/ref=sr_1_9

Up to 100,000uf :
https://www.amazon.com/Transistor-DROK-Capacitor-Capacitance-Automatic/dp/B01MS1FOYM/ref=sr_1_10
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