In 2012, LEGO released 3 HERO Factory Value Packs sets, all of these sets have been retired. For that year, the total price of all retail sets cost $53, today those sets are valued around $541, a growth of 921%.
Most owned 2012 HERO Factory Value Packs set
66445 HF Co-Pack
3 sets

66437 Furno Jawblade Mission Pack

Theme / Subtheme HERO Factory / Value Packs
Year 2012
Pieces 101
Availability Retired
66437 LEGO HERO Factory Furno Jawblade Mission Pack
Retail $12.99
Value $207.71
Growth  +1499.0%
Annual growth 18.6%

66445 HF Co-Pack

Theme / Subtheme HERO Factory / Value Packs
Year 2012
Pieces 78
Availability Retired
66445 LEGO HERO Factory HF Co-Pack
Retail $19.99
Value $211.72
Growth  +959.1%
Annual growth 15.1%

66452 Stringer Voltix Mission Pack

Theme / Subtheme HERO Factory / Value Packs
Year 2012
Pieces 109
Availability Retired
66452 LEGO HERO Factory Stringer Voltix Mission Pack
Retail $19.99
Value $121.28
Growth  +506.7%
Annual growth 10.5%