Easy money and level up's!
First you need to start with Cyndaquil evolve it twice till you get a Typhlosion get it to level 90 let it learn Swift, Flamethrower, cut, and strength. Now get the red Gyrados scale take it to Mr. Poke`mon after cherrygrove city he will give you Exp. Share give that to the poke`mon you want to train then go to the Indigo plateu in Kanto get a couple of hyper and max potions reheal all of your poke`mon at the poke` center put your Typhlosion in the first poke`mon slot and go fight the Elite four first one uses phsychic poke`mon the second one uses grass and bud the third uses fighting and the fourth uses dark then you fight Lance the champion he uses dragon type pokemon his strongest is a level 50 Dragonite. p.s. you need to get a couple of prlyz heals.