Community Wiki - feel free to add suggestions
In addition to products mentioned in the OP, here are some suggestions from personal experience as a shopper:
Kosher grape juice and kosher wine (made from grapes) are important, as they are typically used for kiddush and havdala.
Full-sized matzo (such as this product, where each matzo wafer is 28 grams), as ...
OU have recently produced a new website/app called Alldaf.org.
Features (you can customize your feed according to your interests from the following features):
Daf Hayomi Shiurim from a selection of famous Maggidei Shiur
Point by Point elucidation of every Tosfos in English
Supplementary bite-sized audio miniseries:
Daf in Practice
Daf in Halacha
Daf in ...
It will sound crazy but I would suggest Rabbi Moshe Trager who is in California.
He has done a lot of work in his life with both supervision and actually owning and running a kosher restaurant. He’s a very talented and gifted guy.
He may be able to help you in a consulting capacity. He is currently serving as a Mohel in Southern California.
This is his ...