USPS Mobile VS Shiptheory

I've gotten several mailers from USPS lately looking for postal workers, so looking at https://about.usps.com/careers/career-opportunities/ might be worth it. It's government, so there's some good and bad that go along with that. Source: 5 months ago

First off I am thankful that as of yet they have all arrived- I currently have one I am a bit worried about now. These are packages ordered from multiple platforms and retailers. The odd thing is say I am on Esty and it says delivered in the app/website then I take the tracking number to usps.com to track it usps will show a message about the tracking number or tracking info being unavailable/invalid. This has... Source: 9 months ago

That was my first thought. If you go to usps.com to find out what their rules are, they have a ton of information about dogs as far as mail carriers are concerned, but nothing about their policies in their offices. I had to dig around to find that out. Source: 10 months ago

Keep you current position for now, check usps.com for other nearby CCA openings, and apply. Source: 10 months ago

Go to usps.com and click on "send mail" and "find a zipcode". Then plug your address. It will correct it for you if you are entering it incorrectly. Maybe you've been using the wrong zip code or something. Source: 10 months ago

I have found shiptheory.com and sendcloud.co.uk as the two options - but they're pretty pricey? Does anyone have any experience with either of these platforms? Or could you recommend something else? Source: about 2 years ago