

If writing is an option, then keeping pen and paper handy can facilitate communication.
An abundance of patience is useful. You can never really be sure what’s going on in someone else’s head, and that’s doubly true for someone who can’t tell you if they wanted to. People tend to mirror other people’s energies though, so if you remain calm and relaxed that can keep things smooth.
Something to consider: if you can’t speak, then body language becomes your primary method of communication. I wouldn’t be surprised if expressions and emotions become exaggerated because it helps get your point across. Mild annoyance could be perceived as anger if you’re sensitive to it.
Something else to consider: being able to lower the price is one of the easiest tools for pleasing a customer, but if you start at the lowest possible price then you’ve got nowhere to go lower if your customer already had reason to be irate. Plus if haggling is expected then your customer might not really know that you’ve started at the lowest price and might think that you’re refusing to haggle with them. It can be a tough nut to crack - I’d also want to give them the best price. If you have additional discounts, coupons, or gifts you can add to the transaction then that might be an option.
To be honest, muteness is a pretty rare condition here. I’ve worked retail for many years and can probably count on one hand how many mute customers I’ve had. But I have had a couple of regulars and we seem to get along. Treating other human beings how you’d like to be treated is usually the best way forward.


Showing her you’re interested isn’t about making you more attractive to her. It’s more about signalling that you’re receptive if she’s also attracted to you.
If she’s attracted and knows you’re attracted, the relationship can proceed.
If she’s attracted and doesn’t know you’re attracted, she’ll either be in the same position you’re in now, conclude that you only want to be friends, or move on to someone who’s attracted to her.
If she’s unattracted and knows you’re attracted, everyone can get in front of their feelings before you feel like you’re wasting your time or she feels like she’d be losing a friendship by not being romantically interested in you. The longer you withhold your feelings from her, the more difficult you can be making things for both of you.
All that said, I think it’s totally reasonable to hang out with her a few times to see if you like hanging out with each other first.