You get it buy finding all the animals in the journey book from one of the sea worlds.
you can get a membership or you can buy crowns and use them to buy the worlds. i recommend crowns, because even if you run out of membership you still have the worlds.
you dont buy a horse you get in the summer
horse farm
You must play the game on wandah.com to buy the horse. Go to the horse place and click on "buy horse". It costs 10000.
A car or a horse? Where could you buy a mustang horse? [Sorry about that]
buy it
you can buy a spynet video watch at radioshack
You can buy items for you and your horse at a saddlery or equestrian outlet.
Someone can buy horse reins online on websites, such as Horse Supplies Direct, Natural Horse Supply and Equine Now. There are different designs for horse reins.
to buy a horse is anywhere from free-1 million dollars you should not buy a horse of color but of personality and spark
For the Xbox 360, you can buy the 200 point Horse Armour Add-on.