When you are low on gold try selling your high BP monsters and leave the lower level BP monster for sacrificing

When you are low on gold try selling your high BP monsters and leave the lower level BP Kingdoms Of Camelot Gems  monster for sacrificing. Note that sacrifising is only recomended for monster which have rank B+ or higher, the lower rank monsters are for either gold or victims of the sacrifices. Sacrifice rank C,C+, some B and B+ to level up your rank B+ or higher monsters.
BP regenrates Buy Cheap Kingdoms Of Camelot Gems   every 60 second, it can be further decreased like your energy but it is alot harder than decreasing your energy regeneration timer.