After credit card company reports paid of balance ? is credit boost instant?

If i pay of a few credit cards my score will increase subtantially,
my question is lets say today the credit card company reports
my zero balances, to the 3 credit berous, dose my score jumps instantly or same day? of them receiving the report?
or it takes few days weeks? months until [...]

On a first credit card, how long until my credit starts to be affected?

I got my first credit card a little over a month ago, and am very anxious to start building my credit score up.
I have already made my first payment, on time and in full, and my next statement should be arriving within a few days.
I have heard that you have a 3-payment-cycle “grace period”, in [...]

I am going to spend $9000 for business travel (hotel/dining). Should I open a rewards credit card? Which one?

I am travelling internationally so I will want to pay attention to fees for international transactions.
I figure there is some card that is running a compelling promotion/bonus for signing up so I should look into a new rewards card for this business travel. I would need to apply for this card in the next [...]

First credit card question: How long after your purchase does it take to get billed the min. monthly payment?

I made my first purchase a few days ago, and, currently my minimum payment (due at the beginning of July) is $0. Does this mean that I won’t be billed for this purchase until next month? Also, if I do pay some money this month (even though the minimum is zero), will that [...]