Any chance you can leave the
lines on the dock when you leave? That way you only need to reach down with a boat hook instead of jumping off the boat.
There are only two of us when we go into a slip, usually bow first unless the finger piers are short. Tap the throttle just to give her some forward momentum into the slip and then put it in neutral. Whoever isn't at the helm handles the spring
lines (those go on first) and then the bow
lines. Helmsman takes care of the stern
lines.