It's hard to train a retriever by yourself
Training by yourself can be tough. I understand, I have struggled to get access to grounds and gather a group that can train when you can. You can always practice drills and blinds but how can you work on multiple marking skills by yourself?
With this Free course Memory and Marking Drill, you can build your dog's memory, improve her marking, and teach selection working by yourself in just a few minutes a day.