Is it a good idea to make 250$ profit a month stably for 2 years??

a simple workspace for contractors and small service businesses across the US. It keeps your leads, follow-ups, invoices, and payments in one place, so nothing gets missed. Many small crews run on text messages, sticky notes, and memory. Leads get lost, invoices go out late, and it is hard to know who has paid. so, one clear page that answers three questions every morning: who to call, who owes you, and what is next might be useful. Product cost is 20$ Founder Context: Making a small amount of money to leave and exit a toxic dorm from college. Living cost is cheap enough here. i can rent a house and a van service to drop me to college with 250-300$ a month