Sam
🇺🇸Business & economics tutor
Business · Economics · Accounting
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About Sam
Supply and demand, balance sheets, market structures — Sam breaks it down with real-world examples and worked problems.
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Tap one to start a chat with it.
What a chat looks like
What is opportunity cost, in plain words?
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.
So it is not just money?
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.