It really depends on the skater and their feet - if you don't fit a stock boot then obviously that changes things, because you'd need to buy boots and blades separately from the beginning. For most skaters, once they reach low freestyle levels is when looking at separate boots/blades makes more sense, because you can customize the skates better to the needs of the skater (before that, assuming you fit a stock skate, there are boot/blade combos are more than adequate, and depending on the model many are fine for freestyle levels too).
Paramounts are not just high end blades - they have new carbon steel copies of the Professional and Coronation Ace blades, which are very common freestyle blades, and paramount's pricing at $199 is right in line with MK or Wilson (Ultima Legacy is a little less)... any skater working on single jumps (and beyond) would be fine with them.
ETA, I skate on Jackson Elite Supreme and Paramount 440C (Phantom profile) blades. I could probably get away with less blade, but not less boot.