Getting pictures done with my boyfriend

We don't have a lot of money right now but he just got a new job and this is something that is pretty important to me. Im 18 and he's 19. We've been together since middle school. Should we spend the money to get pictures done of us. 😭😭 I just dont know if im willing to spend 700-1000 on pictures when we'll probably get engaged in the next year or so