As far as quality, almost all major brands are highly rated (or else they wouldn't be major brands). Glock, Sig, H&K, Ruger, etc.
yes
The Kel Tec in .40 is probably your best best.
.40 cal hollow points. That is what they practice with also.
Best to ask a gunsmith for help
40 USD or so
5-250 USD or so
If you go to S&W's website you can get a manual for free.
Depends on model and condition. Sort of like "How much is a Ford car?"
No one answer- usually 2-3 letters, and they vary depending on the model.
As far as taking it apart, it depends on the model. Check your user manual. If you don't have one, call the manufacturer.
Very likely, it's the Glock. Glock in general is the best selling pistol in the commercial and law enforcement market.
Iberia hi point 40 caliber pistol's value in market is 150 US dollars. Hi point is a firearms manufacturer based in Ohio, United States.