(2) I like to add money. Personal opinion!
(3) The investment time exceeds 1 year; You can get involved at any time. The sooner the better!
(4) there is no way to answer; If it is redeemed within 1 year; Buy money or bonds. These two funds are relatively safe.
(5) Pay attention to whether dividends are invested or paid in cash. Pay attention to redemption; The cost of subscription.
(6) Calculation formula of fixed investment income of the fund: m = a (1+x) [-1+(1+x) n]/x
M: Expected income.
A: Fixed investment per period.
X: the first yield
N: fixed investment period (n power in the formula)