I suspect the rest of her life. If I decrease her amount, she has attacks. The vet wasn't worried about the amount of medication she is currently taking, and she is much more comfortable. She's food motivated, so I put the pill in a pill pocket, and puff her twice a day.
We supplement the inhalers with Prednisolone tablets every other day. It also takes time for everything to take effect, so if you just started, may give it another day or so. Call your vet if it's not getting better.
I use Excel, and Empower (formerly Personal Capital). I also still have Mint, but don't use it that much.
I retired last year at age 49. I was a lab tech, and I earned about 70k.
I retired July 1, 2022! It's been a little stressful figuring some things out, but it's been great overall. I don't miss the alarm clock!