Why not 0 upkeep before level 30 for Gen 1 characters? When they hit level 30, then upkeep kicks in. That way they will have the money to buy all the gear they need and start their cRPG career.
My first thought was 0 upkeep for Gen 1 characters, but there are plenty of players who have not retired, and they would be making way too much money(Indefinitely). The money you earn from level 1-30 is probably somewhere around 200,000-300,000 without upkeep(ballpark figure thrown into the air). This would be very reasonable to buy gear throughout the leveling process. Gear costs quite a bit when you add it all up. I would be willing to bet that it would be just about right and they wouldn't have too much money left over, just enough to start paying to upkeep and slowly build their money afterwards depending on the gear they wear. And even if they saved a lot of money from it, all the better for new players to start out with.