Depends what it is.
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Okay, that's a simplistic answer. I'll give examples. With food I tend to get something good. Blue Bell ice cream, havarti cheese from a mennonite store near here, sourdough bread instead of that spongy, floppy, gummy stuff the store sells, a real restaurant instead of fast food factories... I will pay more if I think it is worth it.
On the other hand my audio adapter bag (yes, I have a bag specifically for audio adapters... I'm a music nerd) has a lot of little retractable mini-headphone patch cables. You know, that cable that connects your phone's headphone port to the car's aux-in port. I go through those like water goes through a sieve, so when I saw them for less than two bucks a piece on amazon.com (and retractable to boot!) I bought almost 20 of them. The wire in them is really thin, the connectors are not up to the gold plated standard, but they work and they were cheap. They get the job done.
Mind you, for a job that is important - such as piping audio from a record player to my computer to make a music file of what was on the record, a file that will be in my music collection for the rest of my life - I will use something better for a patch cable. That's where quality trumps quantity.
In parting I will mention the thread title reminds me of a story I heard. All the animals in the grasslands were comparing the sizes of their litters and boasting about how many kids they had. Then a hyena turned and asked a lioness, "So, how many kids do you have?"
"Only one" said the lioness, "but that one is a king!"