Hello
From my almost 4 years of exp, I can give you some advice.
Hand regs most of them sell very slow, they must be nurtured and grow over time, drop regs can sell a little bit faster due to past history.
Domaining is not a get rich quick scheme, you have to work hard and have prepared to sacrifice your hard earned money, also be prepared for loses and sleepless nights!
In short don't jump into buying allot of domains, as many old Domainers say, first learn this field of biz then invest, but if you want to learn on your own then do as you feel is right for you, in this way you will gather your own exp, not based on what we advice on this forum.
And yes as many oldies say quality beats quantity, I learned this too late.
You can check one of my topic, I sold 2 domains recently after so much waiting, but I can tell you that I was receiving offers even after 1, 2 and 3 years of Domaining but I declined those, if I would have accepted them then I would have sold in the first year of my domaining journey.
So the best domains in my opinion can be found in auctions, although I never participated into them, only when drop catching had to beat some domains from other participants.
I have think that I will reg about 200 of domains but I ended out with more than 1700 and I would have buy more if I could afford.
You can check the
AMA topic of Twiki he have great exp with selling a bunch of domains.
Not forget to chk other of my topic why I got into domaining, this is because like when you know about Bitcoin launch but this is 100x times more important that even AI crap.
P.s. stay away from live Trademarks, you can buy the domain if it has dead TM and still must be precautious. This means if you know about CocaCola product it doesn't mean to buy domains with this product or others.