well firstly thnx for input. in my opinion it wont (maybe) replacing subway. i mean like time when we hunting rotom at safari johto, we cant use subway from cianwood to safari but we can use 'teleporting abra' from cianwood to safari entrance.
and i think, mostly player still not aware about 'teleporting abra' existence. even if they aware, with this tool it just like using shovel to diging from one route to another instead using diglett or geodude who know dig moves, but this time we bring 'magic wand' instead bring abra with teleport moves.
about adding new whole item, iam not sure what u mean xD, my english not rlly good, what iam suggest is just new version of dig tool, we using 'teleporting abra' who already there instead using cave hole. and about paying, we already paying 700-1k at first place to using teleporting abra, so i am not sure about skipping any dialog