If you lease a horse, are they going to pay for a ferrier to come out and trim/shoe/pad her hooves? What about the cost of annual shots and teeth floating if neccesary? A vet bill if something happens?
Horses are so easy to take care of once you get in the groove of things. You have to bend your schedule around theirs so they get food at the right times during the day, enough attention, are worked enough so they keep up their trust and respect for you, and are groomed on a regular basis.
I feed Trix, my mare, bermuda three times a day and she does perfect on that. If I am going to be gone for a long period of time (all day) I can give her a whole days worth of hay with a little extra and she does ok. My aunts horses, on the other hand, HAVE to be fed three seperate times a day and can only have timothy because alfalfa makes them obese and one of her horses colics BAD on just a teeny bit of bermuda. She has colicked 4 times in the past two years so they have had to take the bermuda out of their diet completely. A single shot to get their GI track in gear and moving again is at least $500 each time the vet has to come out and give the shot.
Make sure the horse that you get, if you do get one, hasn't ever colicked. Not saying if you get one it will colic, and not saying that horses that have colicked don't make good pets. I am just saying that as a newbie to horses, you may as well be safe by getting a horse with a clean health history.
Horses are SO much fun!!! I always have someone to talk to. Always someone to brush, take care of, love on, ride on, spend time with, work with, the list goes on and on. They're definately worth the baggage they come with if you're truley into them and willing to work with them. It takes lots of love and lots of patience! Just make sure that's what your daughter and you really feel like taking on, it's a 1,200 lbs deal!!