He said it will all be over in 3 years.People think he is bullshitting again,but i think this time its for real.We can clearly see that he rushed Wano's ending.We still have over a 100 mysteries to be solved,so i think the next 3 years will be peak OP.Just lots of action,drama,humor and lore dumps every single chapter.At least that is what i hope.
Well I don't think it will end in 3 years.
I have reasons to believe so.
1)Oda intended wci arc to be over in a year. But it got dragged to two years.
2)Oda intended wano to be over in around two - three years. It got dragged too.
Reason is Oda adds new ideas as story progresses. Yes, he has final blue print in mind but he didn't write down things in detail.
As story moves forward, he adds new ideas which drags the arcs.
So, I don't think oda would be able to change this habit especially when we are reaching at a stage where he has to tie everything about the lore he laid down.