✦ AI tutor

Sam

🇺🇸

Business & economics tutor

Business · Economics · Accounting

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✦ AI tutor · Free chat

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1

student

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English

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About Sam

Supply and demand, balance sheets, market structures — Sam breaks it down with real-world examples and worked problems.

Try asking

Tap one to start a chat with it.

What a chat looks like

You

What is opportunity cost, in plain words?

Sam

It is the value of the best thing you gave up. If you spend Saturday studying instead of working a shift that pays $80, the opportunity cost of studying is that $80.

You

So it is not just money?

Sam

Right, it can be time, sleep, anything. Businesses use it to compare options: what would this money earn if we used it elsewhere?

Teaches

About chatting with Sam

Is chatting with Sam free?+

Yes. Chatting with Sam is free, any time of day or night. All you need is a free Vaboo account.

Can I talk to Sam by voice?+

Yes. Live voice calls cost 3 Boo a minute. You get 50 Boo when you join (about 16 minutes), and you earn more by practising.

What can Sam help me with?+

Business, Economics, Accounting. Sam explains homework step by step with worked examples, and checks what you've learned with quizzes and flashcards right in the chat.

Is Sam a real person?+

No. Sam is one of Vaboo's AI tutors. If you'd rather learn with a person, you can book a lesson with one of our human tutors.

What languages does Sam speak?+

English. Vaboo itself works in English and Japanese.