Don’t know what you’re selling; sounds possibly like produce. Many stores are now offering curbside delivery. If your customers could find you on the web or FB and place an order, you could arrange a pick-up time and have orders ready in boxes or bags. Cash is nice; or maybe you could use one of the new banking apps like Paypal, a handheld credit card swiper device, or an online app with your bank.
Not selling produce, but fresh tie dye clothing. Have been doing so for decades. Thank you for your words of encouragement and tips.