Do you need ring to get married?
Of course, you can be married without a ring, however for a legal marriage you will want a real wedding license and a proper officiant. Wedding rings, are a tradition, not a “must do”. And, one of you, may want a ring, after all it is a symbol, that she/he is married.
Do you get a new ring when you get married?
Do You Still Wear Your Engagement Ring After You Get Married? After your wedding ceremony, you will continue to wear your engagement ring along with your wedding band. So, yes.
Does the woman have to buy the man’s wedding ring?
Tradition has it that the "bride" (with or without help from her family) buys "the man's" wedding ring. But this "rule" is obviously binary—it assumes that all weddings involve a woman and her groom. In more inclusive terms, each half of the couple is expected to pay for their other half's wedding band.