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I personally use the Ultra hybrid clear case as I like the aesthetic, but if you don't like clear then the Tough armor one is definitely the best overall
Got this from Amazon, so far so good
Spigen Ultra Hybrid Designed for Samsung Galaxy Note 10 Plus Case/Galaxy Note 10 Plus 5G Case (2019) - Crystal Clear https://www.amazon.com/dp/B07SRWGMHL/ref=cm_sw_r_em_apa_i_M0gqEbXY6JSRT
I got this one and it's been great
I would say no way unless you need a stand to prop your phone to watch TV.
Go with these for clarity of the back color.