If you love animals and are willing to acquire a few marketing skills, pet sitting, walking and boarding can all be lucrative business options while following your passion and love for animals.
A great, easy way to get started is DocVacay, basically AirBnB for dogs...;-)
You go through a vetting process and are then able to market your services through the site and set your own rates.
You can host pets overnight or for longer vacations and/or offer dog walking and day sitting services.
If you want to take it a step further and build your own pet sitting business, the SIX-FIGURE-PET SITTING ACADEMY offers a great course, teaching business and marketing skills and helping you to set up your business to win.
The Best Dog Training Course
Below is a wonderful online dog training course - the best I've ever seen and VERY reasonably priced. You can spend a weekend just binge watching all the beautiful videos, shot in breathtaking New Zealand - and will absolutely fall in love with the message, the deep insight into dog psychology (you'll be surprised a few times) and the gentle training these doggies receive.
Be sure to check it out. I absolutely LOVE this course, learned so much from it - though I was already very experienced with dogs - and couldn't recommend it more highly: