I do two Costco locations per week. One location I've been doing for about a year and a half now, the other I've done several times. In both locations, I have been approached by management and just told them I was scanning to ensure accuracy on the apps they use for personal shopping (Instacart or similar). Both locations have allowed me to carry on with no problem since those contacts. On the other hand, I had to give up three locations (one at a time, as twice a week is plenty for Costco scans!) because they claimed their "regional management" said it wasn't allowed. All five of these locations are in the Greater Detroit area, so it's likely they all have the same management team. Still, I've been welcome at the two I have now for an extended amount of time and just walk in like any other worker. I'm even getting friendly with various staff at one of them to the point of joking around, texting about a new baby, etc. I'm really happy with the two locations I have, although one is pretty far and had been "undesirable" due to distance, but I was running out of local stores and missed that income. I just think to myself that the bonus covers gas and travel time pretty well. Plus, since it's Spring, I don't have to worry about bad weather driving. I've only had one manager that was actually mean to me, thinking I was a spy before throwing me out. Fine. Whatever. Someone else will scoop up that location and hopefully be able to maintain it. The other two that asked me to leave were exceedingly nice and it was a pleasant exchange when caught. I dress comfortably, take nothing more than a fanny pack with the days essentials (including back up battery, cord, VISA card, meds, wet wipes, band aids, whatever). I also bring a bottle of water to carry around so I'm not constantly putting 73 cent drinks on my card. I like to get one thing (lunch or drink) from there just in case GPS isn't working so I have a receipt as back up that I was actually there at the time and date assigned. When I started, I was dragging a cart along and it was wildly cumbersome. I don't do that anymore, and since they've come to expect me now, I don't need to.
I have two Costco locations that I've had for some time now (one, a year and a half!). Once I got a routine down, it's only a 5 hour job, they give a bonus and lunch with pay, and I only do 1650 per location, so I'm making about $130/day or about $26/hour. I'm on disability with back and knee issues, so I'm sure to take a lot of meds with me so I don't collapse before finishing like I used to. That said, I don't know where I would find another 200 items because I'm super consistent in each dept. and only miss a few due to customers in the way or whatever. I round out my number with freezer stuff last and when I hit 1650, pack it in. I suppose 200 more could be found in freezer, but haven't checked a full scan of that department for a total available # of products. I usually scan about 50 there at the end of the day. I had this 1650 number negotiated with Bare International before ISS picked up the Costco work, so they kind of "grandfathered" me in. I hate doing the freezer stuff... those coolers are awkward to be in/out of for an extended amount of time.
Just an FYI: You don't have to find certain products for Costco, if anyone wonders. Just go up and down the aisles and scan what's there. I can see the labor intensity having to find certain items, sizes, flavors, etc. THAT wouldn't be worth it... I did a few for Rite Aid and spent more time looking than scanning and once I was comfortable declaring something wasn't available, I would find it in a totally different dept. and have to go back and change the answers. It was SUCH a hassle!