I’ve ordered everything from audio stuff to knives on aliexpress. Find a good reputable seller and you’re good. That’s pretty much the same for any platform like Ebay. Amazon has increasingly gotten worse. Now it’s either really big name brands or cheap chinese clones
Edit: check out Louis Rossman’s video buying electrical equipment from Amazon. If you buy the top rated results, you’ll probably fuck yourself over. One of the top products is a fuse that won’t blow like it’s supposed to, if you put this in your system, it will be catastrophic and life threatening.
You’re thinking of a different calculus problem in this case we are comparing the growth rate of 100*infty vs infty. In calculus, you cannot accelerate the growth of \infty. If you put infty / infty your answer will be undefined (you can double check with Wolfram), similarly, if you put 100*infty / infty, you will also get undefined
Unless your organization forces specifically microsoft authenticator, then yeah. However, for several schools, that’s never been an issue, there should be an option to use a third party authenticator in small text.