My request from this forum is to give me more hints on other things I must lecture them on concerning 😟 Bitcoin and how to receive payment from customers.
This is great. I followed your previous thread. Also, coming back to ask for more hints on what to teach your employees about bitcoin proves that you are committed to making it work. This is my two cents. First, have your employees sign up on Binance or on whatever platform appeals to you. Teach them to buy and sell bitcoin. It sounds crazy but unless they get to understand the importance owning and using bitcoin for transactions from personal standpoint, it will be difficult for them to see the importance in the business.
if possible, they can create their own trading account in their local crypto exchange if they don't want to sign up in binance. though there's p2p in binance, which they can convert their crypto to their fiat. to give a hands-on experience to your staff, you can send small amount of btc as a start to their account and teach them how to convert it to your fiat. this will give them appreciation that btc indeed has fiat value. so convincing their customers would be easier as they have first-hand experience when it comes to crypto trading.