I think the buying and selling comes down to finances as well. I plan on having my current horse for the rest of his life. But I know financially, we will be able to do that. For people who love riding, showing, trail riding, whatever - sometimes you just can’t afford to keep the horse. So you sell it before retirement age so you can afford to finance the next, or you find a good retirement placement for them.
I leased first, and I always found leasing easier because I knew there would be a time to say goodbye! My first mare I purchased wasn’t a practical buy, especially for a 15 year old. I gave her to a good home when I left for college, and 5 years later when it wasn’t working out, she travelled across four provinces to live out her days with me. She was a ‘pet’ although I don’t think that is enough of a word for her. My dogs are like my kids. They are dependent on me, they are obsessed with being with us, and seeing my husband or I is the best part of their day. Katie was more laid back. She was my best friend.
My next horse was bought for keeps as well (knowing myself well enough) but also knowing that if he wasn’t a good fit, then he could be resold. It’s taken 2 years to be a good fit, but now we know that we have entered into a marriage of sorts with him. He is 9 years old, so we have 20 years or so left to go hopefully. We are fully cognizant that he will live out his days with us. If I had it my way, with this horse, I would build a farm for him, with my house attached to it for my House (that is his name, ridiculous I know), a hubby horse, and another option for when House has gone as far as he can. I am competititve, I strive to be the best I can be at my riding, and I love the feeling of improving. Eventually, House won’t be able to keep going with me. That’s fine. He will never be sold as long as we have the funds to keep him.