Starting a travelling agent business does not have to require millions of capital if you can't afford such though having a full IATA approved travelling agency will surely engulf millions of Naira as Capital.
So, if you are just a starter, with less than N20,000 you can discover how to become a travel/visa agent in Nigeria
I do not take advice through an agent or visa advisor so I simply search on google for
Cheap flights sites and got a maximum positive response where I saves tons of extra charges money that might apply through agents.
Get your travel agency business plan in Nigeria here