How to add rental balance on neobux, onbux, icybux and mybux?

Philippines
December 16, 2010 10:14am CST
I want to rent referrals but i don't know if i need to cash out first then add money to rental balance or not. i hope somebody could help me, and whats the ideal number of referrals? thank you! if there are anymore suggestion pls. pls. share them with me.
No responses