So here's our situation as short as possible
Me and my brother are playing this game, however the times when one of us is not available we'd like to be able to play solo, so far we have only duo'd and haven't got that far, aprox 3 hours into the game (done several tutorial missions includnig crafting a gun/sword, handing it in etc) and simply wondering how far one would progress beyond the other should he play solo much* and how easy it would be to personally help the other person in order to catch up to his progression level
For example; he's not available for the next two days, I could play for those days however. Would this screw us up for say the third day or would I be able to catch him up somehow quickly?
*Not sure how much
Any answer be appreciated :)
No. There is no way to "screw up" progress that early into the game.
If you want to "catch up" to him, say in missions or money wise, it would be easy.