Credit Score of 750 Credit Card Limit off 33,000 Pay Them Off  Monthly

 I have a credit score at about 750. I have about $33,000 credit card limit on two cards and use them but pay them off monthly. I have done this my whole working life just to get the cash back.  I have recently opened 3 credit cards only for the 0% offer for 12 mo. due to a emergency home improvement that I want to slowly pay off, interest free, over the 12 months. I now realize I only need two cards to fit the purchase on. Should I cancel the third card before I even open it since I won’t need it? I think my ratio would still be good since I am putting $8000 on two new cards and paying it off over 12 months. I will continue to pay my old cards monthly.
Thanks,
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if you pay the credit cards off  monthly
there is nothing that could be done to help your credit score any more
i will say though that 3 lines of credit is optimal for perfect credit report score
a good credit card
a good home loan paid down to less than 80 percent and older than 12 months
a good car loan paid down to less than 80 percent and older than 12 months
 
so
yes close thecredit card if you do not need it

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Credit Score of 750 Credit Card Limit off 33,000 Pay Them Off Monthly