Chosen Solution

i was wondering if with this mac i may mac some complete changes such as swap out the logic board for a faster mac bigger battery? Bigger SSDs i want to completely remodel this mac and i was wondering if this was possible

Yes all that is possible - however you might be better off to just sell the working unit, put what you get for it with what you’ll spend on upgrades(a considerable sum if you do a logic board) and buy a new machine. If this answer was helpful please remember to mark it accepted.