As we all know, money is one of the substance we need for the acquisition of our daily needs and as such we must always manage anyone that comes to our care, and we and the following signs will determine if you're good with dealings with money;
YOU HAVE A STEADY FLOW OF INCOME: To have a steady flow of income is to have an income source, a means via which you earn money unfailingly on a daily basis, this is one of the signs to proof you're good with money.
YOU KNOW HOW YOU SPEND THE MONEY WISELY: It is one thing to have a steady flow of income and it's another thing to know how to spend the money calculatively on purpose without running into debt or out of cash anytime.
YOU CAN PAY YOUR BILLS MONTHLY: When you have money and you know how to spend it and as well are able to pay your bills monthly without any complains or loopholes, it is a good sign that you're good with money.
YOU CAN BUY THE THINGS YOU NEED: Your ability to have money and capable of getting the things you need for yourself garrantted that you're good in dealings with money.
YOU'RE SAVING MONEY: It is one thing to make money and another thing to save money, what really determines if you're good with money is how much you are able to save irrespective of your current challenges.
YOU HAVE INVESTED YOUR MONEY WISELY: This is the ultimate of all, your ability to invest your money wisely and keep multiplying it to earn you more money is what really determines if you're good with money.
With this few tips/signs, I believe you'll be able to do a self assessment to determine if you're good with money or not.