early ACT crafting?

Ok so I am coming from POE and I noticed that the crafting is different here.

How is one supposed to craft leveling gear (acts 1-2) when you can't reroll once you begin the crafting? I haven't yet gotten any crafting mats (I guess we ain't calling them currency anymore since there is gold in game) that allows me to reroll magic items. This tells me that if this currency does exists, its drop rate is low. If GGG plans in doing races like in POE, how is this gonna work when vending recipes don't exist and low level crafting isn't really an option? Being unable to craft the flasks I NEED during acts kinda sucks.

I am clearly talking about level crafting and not end game crafting by the way.
Something I am told you CAN slam magic items and actually get the stats you are looking for.

you don't either you find it or you buy it

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twiskt#3078 wrote:

you don't either you find it or you buy it

Well, that sounds almost fun. Lucikly this is EA and I HOPE this will change when it comes out fully.