New Rogue, this is addictive!

[Zestee]

Hi guys

I found this game a few weeks ago, and now my house is a mess, my legs are hairy, and I don't even know what the date is anymore. If only I'd also found this forum, I've been stumbling along, no idea how I made it to 41. Double XP week was awesome

So be gentle with me, I have loads of (probably silly) questions. If you can answer any of these off the top of my head, that'd be great.

1) Why do people bother putting gems in things, they only offer a few extra points at best
2) Grand locked crates - I spent my precious platinum on two of them, nothing but rubbish...why do people go nuts over them?
3) I'm a rogue, my mana is sooooooo slow to re-gen. I want a pet sorcerer! How can I make it faster to re-gen?
4) Is DPS the same as damage? I know I'm a 'damage class', but I'm a little fuzzy on which things I'm supposed to focus on when buying things
5) How important is strength/armour to a rogue?
6) Mythic weapons, I heard that some of them level up...?? How does that work?
7) I just bought a lepre (yay), which areas does it provide luck? I know it's good for 'farming', but what else can it do? Does it help when opening the crates you win from bosses? What about when turning in quests, and getting a reward, does it help to make the reward better? Or to get better stuff from Klaas?
8) Pets, people sometimes ask me to change my pet, why? Does my pet do something undesirable? Maybe stun when they don't like that? Currently I just switch pets when they get hungry, I don't do it with any sort of tactics in mind.
9) People talk about being scammed, how is it possible? Makes me scared to trade in case there is something I don't know about that I should be wary of.

I bet I'll think of a million more questions, but I'm just excited to find a forum so a bit of a blurt!!

TIA )