Well, welcome to YT and congratulations on your little ones.
Everyone here will give you very good advice, I hope you take them to heart. SARAH1130 has also given you sound advice as it is so fresh in her mind!!
I am sure if you can afford to keep one then by all means do so. Well, if you have any more questions then shoot away. We up here just love to help out in any way that we can. Best of luck to you.............