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Owned by Justin

Time-Efficient Strength Training for Busy Adults

29 contributions to High Intensity Business
Client of the Week - Invested Strength Studio
This week's Client of the Week is Megan Costilow, co-owner of Invested Strength Studio in Naperville, Illinois. Megan opened her studio in September 2025. Less than a year later, they're already on track for around $250,000 in revenue this year. Here's what's happening: - Private, one-on-one strength training in just 20 minutes, 2x/week. - Built around a focused HIT protocol using MedX equipment. - Megan lost 113+ pounds herself and built the studio partly from her own experience of discovering the importance of strength training to hold on to muscle. - Created a premium, appointment-only experience with the trainer beside the client for every rep. - And they're still less than one year into the business. From discovering HIT through HIB to building a ~$250K/year strength training business. And she's only getting started. If Megan's story resonates with you, just comment "Invested" and I'll send you all the details.
Client of the Week - Invested Strength Studio
1 like • Aug 19
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What is your Session Price?
What is your personal training session price? Please comment below using this format: 1) If you have different session prices based on purchase volume (eg 3m, 6m, 12m etc) or frequency (eg 1x a week vs 2x a week), please provide a blended mean average. 2) If your session length is different to 30-minutes, please mention in your comment.
3 likes • Aug 19
My future pricing as of now would be $38 for one on one and $30 for semi-private 2-3 person sessions.
3 Lessons For Trainers after 30K Sessions
Thought this might be helpful for some of the newer or aspiring trainers in the group :) https://www.instagram.com/reel/Db_pnofPwlJ/?utm_source=ig_web_copy_link&igsh=MzRlODBiNWFlZA==
2 likes • Aug 14
That was great @Logan Herlihy
Do clients get it?
This is a bit of an embarrassing question, but I’m wondering if other studios have the same issue. We have a primarily an older client group 60 and beyond. The vast majority of our clients do not train to momentary muscular failure. They seem to still get benefit from the workout because they are seeing strength increases and report daily activities at home being easier to perform. There are only a small few that actually want to get pushed hard enough to go to muscular failure. A lot of our sessions just end up as a social 20 or 30 minutes with the client where they do moderate to moderately hard exercise. Sometimes this makes me feel like I’m not doing my job correctly. Does anyone else have this problem?
2 likes • Jul 18
Thanks @Lawrence Neal ! I’ll listen to this one again. There’s no one better than Dr. McGuff.
1 like • Aug 12
@Tim Dettmann thanks Tim! What you said in the podcast really spoke to me about the goal should be long term strength training. That really made a lot of sense to me. I think when I learned about HIT, we were always told the goal of each set was to reach MMF. In my mind, anything short of that was failing. Only recently have I come to the realization that there are acceptable other goals. When you talked about the importance of long term adherence to strength training and how that should be our driving focus for everything we do, that rang true for me. Thanks for your encouragement and sharing your thoughts!
Been a while since I've posted here.
Over the past several months I've been putting my own advice back into practice with absolute consistency—high-intensity training, proper nutrition, recovery, and patience. The before-and-after picture I'm posting here isn't about perfection. It's simply proof that the principles still work. At 56 years old, I'm still a student of this game, and one thing remains true: the body will respond when you provide the right stimulus and respect recovery. I know there are a lot of experienced HIT guys in this community, so I'd love to hear how everyone's training has been going lately and what kind of results you've been seeing. I've also been putting out a lot of new content on my YouTube channel discussing High-Intensity Training, recovery, training after 40 and 50, and my experiences training alongside Mike Mentzer. YouTube: https://youtube.com/@highintensitycoach Mostly, I just wanted to check in, share some progress, and say hello to some fellow HIT enthusiasts. Hope everyone's doing well and still training hard. — Markus Reinhardt
Been a while since I've posted here.
2 likes • Jul 4
@Markus Reinhardt I haven’t heard of this Carb 300. I assume you talk about it on your YouTube channel. I’m going to check it out right now! Your looking great!
1-10 of 29
Justin Frost
4
69 points to level up
@justin-frost-8648
Strength coach helping busy adults build muscle, lose fat, and train smarter with efficient, science-based workouts in 20 minutes. CPT HIT Specialist

Active 5d ago
Joined Dec 14, 2024
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