If you add funds, the bonus % will decrease, because it's calculated on how much referrals deposited compared to your deposit.
The exact formula is: ((sum of referral deposits / your deposit) / 10) + 5 + 5 if joined through referral.
I am new here and the world is full of scammers, so I might understand that some people could be skeptical.
Yes, but mining gear will remain allocated to pyramining to allow faster rewards, until every account is payed back completely.
Probably I will close _new_ subscriptions when conditions make the system unsustainable (for example if block rewards drops too much, but it will happens 4 to 5 years from now).