What does it really take to choose the right fulfillment model for your business? When should brands keep fulfillment in-house, and when does it make sense to move to a 3PL or 4PL partner?

In this episode, we sit down with Maggie Barnett, CEO of LVK Logistics and COO of ShipHero, to unpack the realities behind modern fulfillment operations and what businesses need to know before outsourcing logistics.

Here's what you'll learn:
→ The key differences between 1PL, 3PL, and 4PL models
→ When in-house fulfillment starts to break down
→ The pros and cons of outsourcing fulfillment
→ What makes a strong 3PL partner
→ Why 4PL models can struggle operationally
→ How fulfillment strategy impacts customer experience
→ The future of logistics technology and AI in fulfillment

If you're trying to scale fulfillment, improve operational efficiency, or figure out the right logistics strategy for long-term growth, this episode offers a practical, experience-driven look at what actually works.

⬇️ Follow Maggie!
https://www.linkedin.com/in/maggiembarnett/

🎙️ Visit our website for show notes:
https://www.secretlifeofinventory.com/

👀 Think you'd be a great fit for our show? Apply to be a podcast guest:
https://www.secretlifeofinventory.com/apply-to-be-our-guest/

0:00 - Teaser
0:21 - Intro
1:29 - Maggie’s Background in Supply Chain
3:06 - Juggling Roles: CEO of LVK Logistics & COO of ShipHero
4:41 - Defining the Fulfillment Landscape: 1PL vs. 3PL vs. 4PL
6:40 - How to Choose the Right Fulfillment Model
7:36 - When In-House Fulfillment Starts to Break Down
8:29 - Real Growth vs. Temporary Operational Chaos
9:36 - Red Flags in the 4PL Model
13:03 - Where 4PLs Break Down Operationally
13:43 - The Impact of Peak Season Demand Spikes on 4PLs
14:55 - The Reputation Risk of Outsourced Execution
15:45 - Do 4PLs Have Better Tech?
17:52 - Evolution of the 4PL Model
19:15 - Impact of ShipHero’s Pivot from 4PL to 3PL
22:01 - Pros and Cons of a 3PL Model
23:52 - Top Qualities to Look For in a 3PL Partner
25:30 - Do Companies Use Multiple 3PLs?
26:06 - Cost Comparison: 3PL vs. 4PL
27:09 - Biggest Takeaways from ShipHero’s 3PL Pivot
28:24 - The Exact Breaking Point for ShipHero’s 4PL
29:17 - The First Metric to Improve After the 3PL Pivot
30:26 - The Future of Logistics Tech and Fulfillment
31:56 - Could AI Eventually Fix the 4PL Model?
32:45 - Extending In-House Operations Before Outsourcing
33:52 - Which Brands Should Stay In-House Longer?
34:22 - Fulfillment Strategy for Multi-Channel Brands
35:05 - The Absolute Best Time to Move to a 3PL
36:13 - How to Diagnose a Struggling Fulfillment Partnership
38:01 - Core Principles for Long-Term Fulfillment Success
39:13 - Outro

✅ Try inFlow Inventory for free and never run out of stock:
https://www.inflowinventory.com/

🎧 Stream our Secret Life of Inventory podcast:
https://youtube.com/playlist?list=PLZPdD9vxalF-TD_uxHmFsPkP5638NrU8-&si=7YIruVL0daUgxCBt

Stay connected:
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#inventory #inventorymanagement #inflow #inflowinventory

If you’ve ever wondered whether you should use lot numbers or serial numbers to track your inventory, this episode breaks it down in a clear, practical way.

We cover what each system is, what information it stores, which industries rely on it, and when to use one over the other. You’ll also learn best practices and how inventory software can make tracking more scalable and accurate.

Whether you’re improving your current process or building one from scratch, this episode will help you make better decisions about how you track your products!

0:00 - Teaser
0:15 - Intro
1:27 - What is a lot number?
2:14 - What information is stored inside a lot number?
3:13 - What does a lot number look like?
3:42 - Which industries rely the most on lot number tracking?
4:15 - What are the benefits of tracking by lot numbers?
8:05 - What are the best practices for lot number tracking?
10:30 - How do you track products by lot number with inventory software?
11:56 - What are serial numbers? How are they different?
13:05 - What other information is stored inside a serial number?
13:25 - What are the benefits of serial number tracking?
16:13 - What are the best practices for serial number tracking?
18:08 - When to use lot numbers versus serial numbers?
19:28 - Outro

Podcast Produced by: inFlow Inventory
Hosted by: Jared Plumb & Melinda Tse

✅ Try inFlow Inventory for free and never run out of stock:
https://www.inflowinventory.com/

🎙️ Visit our website for show notes:
https://www.secretlifeofinventory.com/

🎧 Stream our Secret Life of Inventory podcast:
https://youtube.com/playlist?list=PLZPdD9vxalF-TD_uxHmFsPkP5638NrU8-&si=7YIruVL0daUgxCBt

Stay connected:
https://www.facebook.com/inFlowInventory/
https://www.linkedin.com/showcase/5276148/admin/feed/inflowinventory
https://www.instagram.com/inflow.inventory/
https://www.tiktok.com/@inflowinventory
https://twitter.com/inflowinventory

#inventory #inventorymanagement #inflow #inflowinventory #batchtracking #lottracking #lotnumbers #serialnumbers

What does it really take to build, scale, and sustain a modern manufacturing business? How do leaders balance operational efficiency, workforce challenges, and long-term succession planning in an industry that’s constantly evolving?

In this episode, we sit down with Jim Vinoski to unpack 16 years at General Mills and explore what it takes to navigate today’s manufacturing landscape. From overcoming food production challenges to understanding the root causes of inefficiency, we break down practical strategies that manufacturers can apply right away. We also dive into the human side of operations—building strong talent pipelines, embracing second-chance hiring, and addressing age bias to create more resilient, high-performing teams.

We’ll also explore leadership, capital, and the future of manufacturing—covering everything from raising funds and navigating family business succession, to evaluating private equity vs. ESOPs to prepare your business for a successful exit.

If you're thinking about scaling your operations, strengthening your workforce, or planning for the future, this episode offers a grounded, experience-driven perspective on what actually works.

🎙️ Visit our website for show notes:
https://www.secretlifeofinventory.com/

⬇️ Follow Jim!
YouTube: https://www.youtube.com/@manufacturingtalks5250
LinkedIn: https://www.linkedin.com/in/jimvinoski/
Substack: https://manufacturingtalks.substack.com/
https://www.manufacturingtalks.com/

📖 Resources:
The E-Myth Revisited: https://www.goodreads.com/book/show/81948.The_E_myth_Revisited

✅ Try inFlow Inventory for free and never run out of stock:
https://www.inflowinventory.com/

Podcast Produced by: inFlow Inventory
Hosted by: Jared Plumb & Melinda Tse

0:00 - Teaser
0:24 - Intro and welcome to Secret Life of Inventory
1:49 - Lessons from 16 years at General Mills
2:42 - Overcoming food manufacturing challenges
3:37 - Most valuable lessons
6:09 - Modern tech trends & industrial evolution
7:30 - Jim’s earliest memory that defined his perspective on manufacturing
8:52 - How Jim's experiences influenced his consulting approach
9:53 - The root cause of operational inefficiency
11:58 - The current state of onshoring & regulations
12:50 - Essential solutions for modern manufacturers
13:52 - Building a talent pipeline for small shops
17:08 - The power & success of second chance hiring
21:14 - Tackling age bias and intergenerational dynamics
25:11 - Creating a perfect work culture
30:04 - Practical leadership advice
31:07 - Hiring advantages: small business vs. big corporate
33:37 - How to raise capital for manufacturing
38:08 - Obstacles in family business succession
40:05 - Mentoring the next generation of workers
40:50 - Government programs and training grants
41:55 - Private equity vs. ESOPs
44:57 - Alternatives to exiting the space
45:42 - Key strategies for scaling and future exits
48:05 - Making your financials attractive to buyers
49:35 - Outro

🎧 Stream our Secret Life of Inventory podcast:
https://youtube.com/playlist?list=PLZPdD9vxalF-TD_uxHmFsPkP5638NrU8-&si=7YIruVL0daUgxCBt

Stay connected:
https://www.facebook.com/inFlowInventory/
https://www.linkedin.com/showcase/5276148/admin/feed/inflowinventory
https://www.instagram.com/inflow.inventory/
https://www.tiktok.com/@inflowinventory
https://twitter.com/inflowinventory

#inventory #inventorymanagement #inflow #inflowinventory #secretlifeofinventory #manufacturing #jimvinoski