From your rival on Route 19.
there is no such thing is a HM called remover
You get the HM waterfall in the same cave you get Kyogre
HM 9 is Waterfall.
the hm cut is in one of the houses in rustoboro city
it isn't in Pokemon platinum its in ruby and Sapphire
the hm 7 is water fall you get it in sootopolis city in sapphire game
Hm 08=Dive. You can get it in Mosdeep City in Steven House.
Rock Climb doesn't exist in Sapphire. It actually exist in Emerald so trade a Pokemon from Emerald to Sapphire that has rock climb!
there are many MANY Pokemon that can use the hm flash in Pokemon sapphire. the following Pokemon can: grovile( treeko),kirlia(ralts)shroomish, eletrike, Roselia, plusle, munun, magnemite, voltorb and many more
move deleter in lilycove city
strength
Steven gives it to you at his house in mossdeep city.