It took over 35 minutes before the transaction was finally successful and arrived in my wallet. Due to the delay, I started thinking 🤔 its a scam but I was also convinced that it might be a congestion in the Bitcoin network.
Before handing over your FIAT currency to an unknown customer, always ensure that the transaction was successful. Trust is a very serious issue that we must be very cautious about. When you give out money (FIAT) before confirming the transaction, some people can double spend the Bitcoin and you will lose it all because you gave your FIAT out of trust. For more information, try studying how the memory pool works using the link provided by @Lucius.
do you think it's a risk am taking and should i discontinue the Business?
You have a very good innovation and idea to start this business as well as try to teach your employees more about Bitcoin and how Bitcoin transactions work; the only risk is that the Government of Nigeria has yet to legalize Bitcoin, so you are exposing yourself to risk; it is better you do it secretly for your own safety.