You need research early before accepting bitcoin as payment currency for your mother tailoring shop, are there your mother costumer dominance by young or old people and how their knowledge about bitcoin. Actually is worth when accepting bitcoin as payment currency for your mother tailoring shop not only get an easily for transaction payment but also you have give good opportunity for your mother investing in bitcoin. Your mother have understand well with bitcoin?
Before accepting as payment currency he needs understand well what is bitcoin and how payment process when accepting bitcoin beside make little research or survey about your mother costumer respond are agree or not using Bitcoin as kinds of payment currency transaction.
Bitcoin isn't just a "cool kid currency" anymore. Young, old, hipsters, and even grandpas - many are learning bitcoin. But I do laugh at the image of her mother explaining blockchain and decentralized systems to her regulars. Imagine: "That'll be 0.0002 BTC, and by the way, remember to keep your private keys safe!"
Your point is golden though. Research. Yes, before her shop becomes the Wall Street of tailoring, understanding the customer base is crucial. And if her clientele does lean towards a more tech-savvy demographic, why not?