I thought that if you get 2 sources of Advantage they dont stack (therefore count as single Advantage) and then, if you have 1 source of Distadvantge, they cancel each other and result is regular roll ...
I stand corected.
That is correct, Rag, multiple sources of advantage or disadvantage do not stack. What you've just said is accurate and is in line with what I described, so I'm not sure why you're feeling as though you're being corrected...? If you have advantage and disadvantage coming from different sources - no matter how many of each you might have, they all negate each other and result in a flat, normal non-advantage, non-disadvantage roll. You might have 10 sources of advantage and 1 source of disadvantage effecting your roll - it's a normal roll. You might have 3 sources of advantage and 7 sources of disadvantage affecting a roll - it's a normal roll.
