dumps questions

[Holin]

hello everybody
i been doing alot of research about carding with dumps an shit i
have a laptop and a msr605x i know how to write dumps already been practicing.
i need advice if anybody could point me in the right direction.
1) what are couple solid sites to buy dumps for that have good results.
i heard joker stash, brains club, trump dumps just don't buy with pin.
i don't want to waste my money.
2) are 101s still worth trying out?
3) should i do 201s instead?
4) any advice will be help full