Mark O'Brien Development LLC

Mark O'Brien Development LLC Buy | Build | Sell Advisor
A experience in
20+ years of , , and experience

03/11/2026



I’ve been overpaying for 20 years and didn’t even realize it until now.
Here’s the deal...

As a contractor I’m always looking for that sweet spot: High Quality but at a Better Price. I’m sure you guys are the same way.

After 20+ years I got a new phone, which sent me down a rabbit hole of looking for new Cellular Service. I came across . Compared against “Big Wireless,” it’s a no-brainer. I kept my number and cut my bill way down.

They use the same towers, so why not?

But my favorite part is they have REAL HUMANS on the phone when you call. From the USA. I’m old-school – when I have a problem, I wanna get on the horn and just solve the problem fast. I love this.

SO – THE BIG QUESTION:
I’m curious—when was the last time YOU actually looked at your monthly wireless bill? (It took me 20 years!) – Are you loyal to your carrier, or are you just tired of the high prices? Let’s talk in the comments.

Ready for low prices? Click the link in my bio and use code MARK to switch and save.

03/09/2026
02/23/2026

Jim from Olde Good Things tours NYC real estate developer, Mark O'Brien's latest project, a 1838 brownstone on Bank Street in the West Village, NYC.

10/23/2025

Not your typical CeraVe guy. The Intensive Moisturizing Lotion made the cut find it at Walmart.

Address

New York, NY

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