Looking for some advice buying my first longboard, hope to get it here.
Sorry if my English is half good... But ill try hard

Im a 38 y female intermediate surfer. Im 5ft and slim so i usually surf a 5.6 shortboard, a 5.4 FireWire nano or a 6.8 funboard, depanding how big waves are.
Im looking for a full-time summer surfboards and also maybe try walking the board. Not looking to.manuver the board as much trying new style bof surfing couse i get that from my other board.
Ive found a second hand 9.5 Stewart tipster in really good shape and price. Is that gonna be a good size to start from? Dose it metter if its a 9 or a 9.5?
Ive been reading online, maybe too much, and got confused. Please help me...