You don't need only money for this.. example is the breed/ev items, the stairs on Calcenon and more stuff.
It's lot of money for one-way playing and u need to farm them
And plus what you and Ame said
Most people here are have money issues so yes is a problem, and if you play it all at once when the game will be full out you will not have around 2-3 months to wait so you can farm money
Cotton Candy: Price 6000$ Effect full revive and restore (100% HP) (Max Revive effect)
Revive: Price 1200$ Effect Revive half HP (50%)
That's why, and b/c this is Reborn
Houndoom is good for weather teams, but I don't know if u can use something like than in Reborn
Ampharos is something like Mega Sceptile with +-
Pidgeot is okey if u don't face super effective rivals