$15 to spend. Players are at their current skill level, and you only get one season with the team (age doesn't matter).
PG:
CP3: $5 | Russ: $4 | Steph : $3 | Parker : $2 | Calderon : $1
SG:
Wade : $5 | Harden : $4 | Monta : $3 | Hayward: $2 | Joe Johnson: $1
SF:
Lebron : $5 | KD : $4 | Paul George : $3 | Kawhi : $2 | Ariza : $1
PF:
Love : $5 | AD: $4 | Dirk: $3 | Ibaka: $2 | David Lee: $1
C:
Cousins: $5 | Noah: $4 | Dwight: $3 | Bosh: $2 | Marc Gasol: $1