Cost of ownership
What does your support stack actually cost you?
Not the subscriptions. The subscriptions are the small part.
Looking for the other side of the ledger? Try the time-savings calculator.
Start from a practice shape
Assumption set
changes the math, not your inputsYour current stack, per month
$150
Claude, ChatGPT, API usage, AI point tools
$120
CRM, scheduling, project management, video, storage
$180
SEO suite, design, social, stock
$0
enrichment, intent, sequencing — optional
$150
memberships and credentials, amortized monthly
$110
E&O, contracts, bookkeeping
Your monthly stack
$710
Build-up estimate from component benchmarks, not a surveyed total.
Your practice
3
$300/h
$10,000
4 h
4 h = tool-switching only (HBR toggling study) · 6 h = includes broader admin (freelancer surveys)
T2D3 OS tier to compare against
Today$3,828/mo
Tools
Time cost
Tools$710Time cost$3,118
On T2D3 OS$2,133/mo
Platform + kept tools
Platform + kept tools$1,509Time cost$624
At your rate, the time cost of running the stack is 4.4× the tool bill itself.
Monthly difference
$1,695
today's true cost minus the T2D3 OS state
Annual difference
$20,341
the same delta over 12 months
Platform payback
18 days
Fractional CMO at $999/mo, covered by the monthly difference
Effective margin per client
retainer minus your true cost spread across 3 clients
Today
$8,724
87% of retainer
On T2D3 OS
$9,289
93% of retainer
Capacity unlocked
not counted in the totals aboveYou get 13.9 h/month back. At your retainer and rate, a client takes about 33 h/month — so that is roughly 42% of an additional client, worth up to $4,157/mo in revenue capacity if you fill it.
This calculator prices the problem. The time-savings calculator prices the solution.