DIY How to Make Pet Door on Sliding Door

How to make a cat or dog door for a sliding door… for about $50. One board about six foot tall, 11 wide and 1.5 inches thick. Cut hole and insert large cat/dog door for $17 amzn.to/3KOrCUu. Paint is optional and add some insulation strips. Then wait for cat to return with mouse… watch and learn from my mistakes and wait for surprise twist. Let me know if you make one!