Wholesale ‑ All in one

UPDATE:
I don't know what happened. The app stopped working for any customer outside of the US and I couldn't get any help with it. Had to switch apps. Ended up going with Regios which is working with Shopify much better.
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I've really loved this app mostly because our company has perk membership and we can easily create sales for those customers tagged with our special designations. I came across and issue where the discounts were not rounding properly (if the discount came to $1.995 it should be $2 but it would come up $1.99 - our customers noticed) and contacted their support. They fixed the issue within a few days. I find this impressive as I've asked for help on lots of apps and platforms and got the run around. Not with this app. They responded, kept me updated, fixed the issue, and then sent me a video showing me that they got it working. 5 stars.

I do have a couple suggestions. 1. Coupon codes. Some of our special members are promised special coupons. I'm discovered this is an issue on shopify. Not with this app but in general.

2. More customization with free shipping. I don't know how but since we use live shipping, I'd love to give a free shipping method so that all shipping methods aren't "free". We want to give free cheap shipping not 2nd Day UPS. This issue comes up in all discount options on shopify. I don't think anyone out there has thought of this.

Also, part of me suspects now that the thoughts are out there this app will solve them.

*UPDATE - This app has been frustrating me for 5 months, but it has been working properly for about 2 weeks now so I am hesitantly updating my review as requested by the team. They really have put a lot of effort into getting it to work on my site. That said, do not expect this to just work as is...this has been 5 MONTHS of back and forth with a myriad of issues as stated below and I am not really confident that I won't have any further issues)
Either the cart is extremely slow to update or won't update at all. Or the wholesale pricing won't load correctly so random products are left at full retail price. Or some customers have completely gone through the checkout process and then the final PLACE ORDER button will just not work. There's been so many issues with only temporary solutions. It has made my whole business look extremely unprofessional and I'm sure I have lost a number of orders when my customers just give up instead of reaching out when they can't place orders.