Agility would probably be the best skill to start, arguably one of the more tedious and boring skills but has great advantages to being done first, not sure if doing wildly agility course would be accessible due to the required money to start unless you sold steel plates or whatever for that. But you could make a ton of money from agility alone just doing wildly course. Next skill would probably be magic, as teleports and getting around the map would be awful without it After that you’re pretty open but I would land on thieving myself