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Pets & Animal Care

Pet care, planned with clear numbers

Looking after an animal well involves more numbers than most owners expect: daily energy needs, portion sizes, first-year and lifetime costs, water volumes and dosing in an aquarium. These courses show you how to calculate them in a spreadsheet, with every step checked as you go.

The 6 courses cover pet nutrition and weight plans, the true cost of ownership including insurance versus saving, aquarium volumes, water changes and stocking, growth and care tracking, and the business maths of dog walking and pet sitting.

Courses in Pets & Animal Care

Pets & Animal Care

The True Cost of a Pet: First-Year Costs, Lifetime Budgets & Insurance vs Saving

Budget a fictional dog's whole life and decide with expected values whether pet insurance or a savings fund pays off: first-year and recurring costs, lifetime cost with inflation and present value, vet-cost scenarios, policy maths, rising premiums, a self-insurance fund and holiday care, with every cell checked as you go.

8 lessons · 8 labs · 2 h

IntermediateCertificate$9.99
Pets & Animal Care

Aquarium Math: Tank Volumes, Water Changes, Dosing & Stocking

Calculate the real water volume of a fictional tank, plan water changes with dilution and steady-state maths, dose a water conditioner and a fertiliser by fictional labels, size heater and filter, check stocking and running costs and log water tests, with every cell checked as you go.

8 lessons · 8 labs · 1.9 h

IntermediateCertificate$9.99

Frequently asked questions

Do the courses replace advice from a vet?

No. They use illustrative values to teach calculations. Feeding, health and medication questions belong with your veterinarian.

Is there anything for pet businesses?

Yes. The dog-walking and pet-sitting course covers pricing, group walks, routes and capacity. Veterinary practice economics is in the healthcare category.

How much does a course cost?

Each course is a single purchase of $9.99. That covers every lesson and lab, the final exam and the certificate, with no subscription and nothing that renews.

Ready to learn by doing?

Start with the recommended course and build your first result in the lab today.

View the starter course