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Pokemon Yellow how to have fun Route. Run from encounters + skip optional trainers. Use potions only outside fights to save poke center trips.
Buy 10 pokeballs +1 antidote. Catch Mankey left of Viridian city. For HM flash catch these low level pokemon ->catch pidgey, ratata, caterpie, metapod. Level Mankey to 9 via forest trainers and learn its fighting move. Kill Brock with mankey fighting move.
Route to mt. moon -> then my. moon. Catch Clefairy to now be main pokemon. Left at entry for water gun TM for clefairy. Get Mega Punch TM from center ladder teach to clefairy. Get Moon stone top left of first floor -> Evolve to Clefable. Mega punch or water gun everything to Misty. Mega Punch starmie which works even at level 18 clefable. Teach bubblebeam to Clefable. North to nugget bridge -> get charmander from top left trainer after bridge -> SS anne ticket -> dig TM teach to charmander.
south to vermillian -> SS anne -> body slam TM 4th door from left for clefable -> top left stairs -> wrap to the right for captain and cut HM -> teach to charmander. Lt. Surge -> RNG find first switch then a random switch adjacent to first one. Get squirtle from girl center of vermillion. Get bike voucher building left from gym. Diglett cave -> south to Flash HM -> teach to pikachu.
Back through diglett cave then back to cerluean city for Rock Cave via tree to cut now. Use flash.