What's done in this save:

Money is maxed out by betting ($9999999999)
Tec-9/Uzi, Colt.45 skills has been maxed.
All spray tags has been sprayed.
Pimping,taxi,police,fireman,paramedic missions are done.
All stadium events completed. (LS,SF,LV)
NRG-500/BMX missions completed.
All fight-styles learned, also muscle has been maxed out.
All deliveries completed. (LS,SF,LV)
First mission never played before.
Enjoy!