Rule I use: usage-based only works when the customer can predict the number before they see the bill.
Documents generated is predictable - a customer knows roughly how many invoices they send. API calls made by their own integration is not, and you get support tickets that are really arguments. Tokens consumed is the worst of all, nobody has any intuition for it and every bill is a surprise.
Yours passes the test, so the question really is just build cost, and at 40 customers the answer is no.
Push back on the neat sequence slightly: electrical is not one step, it is three. Rough-in while walls are open, then temporary connection so you can test as you go, then the tidy permanent version once furniture exists and you know where the fridge actually sits. Treating it as a single stage is how people end up with wires in the wrong place behind a finished wall.
I over-scheduled and it's the only thing I'd change. Every hour was allocated, and the afternoon I accidentally spent in one neighbourhood because a train was delayed turned out to be my favourite part of the trip. Also, mid to late November in Kyoto is autumn colour season and the famous temples are genuinely packed - go at opening or go to the ones nobody photographs.
If the project matters more than the 12k, counter the counter: say yes conditional on that project being yours in writing with a start date. Either you get what you actually wanted or you learn something useful in the next ten minutes.
Also fine to just not, some nights. Bread and cheese on a bunk after nine hours of walking is a legitimate dinner and not a failure. The trap is only when it becomes automatic and you stop choosing it.
One more thing to check before committing: whether you need signed URLs with short expiry for paid content, and that whatever you move to supports the exact shape of access control you use today. Getting the storage bill to zero and accidentally making your paid videos scrapeable is a bad trade.
Third option nobody mentions: keep S3 as the origin and put a commodity CDN in front at around $0.01/GB. That is roughly $80/month at 8TB, you change one hostname, you migrate nothing, and your Lambda triggers keep working exactly as they do today.
It is not $0, but it is $80 against a $400 budget and it ships this afternoon rather than next month. If video is your core business, the R2 migration is still right eventually. If you are trying to find out whether the business works at all, do the cheap thing now.
Watch origin egress though - S3 to CDN is still billed egress on the AWS side unless your CDN has an arrangement for it. With a 600GB library and slow-changing content your hit rate should be very high, so origin pulls are small, but check rather than assume.
Different sport, same muscles. Contests reward speed and cleverness; a degree rewards patience and bookkeeping. Do the contests because you like them, and do not let anyone tell you they are preparation.
The date attached is the trick. 'Four days until the end of March' got approved for me where 'I need to reduce my hours' had been sitting unanswered for six weeks.
I do live on distributions, five years in, and the thing nobody warns you about is the shape of the year rather than the total. My income is lumpy, most of it arrives in four clusters, and one cluster is much larger than the others because of two annual payers. The first year I ran the household off it I nearly emptied the current account in a quiet month. Now I keep a full year of spending in cash, top it up as distributions land, and pay myself a fixed amount monthly. It solved a problem I did not know I was going to have.
Honestly the two approaches converge the moment you both hold a buffer. Mine is a dividend portfolio with a cash bucket, yours is an index with a cash bucket, and the bucket is doing most of the work in both.
I want to push back on the idea that the payment framing is always a trick. Sometimes it is genuinely how the salesperson has been trained to work and sometimes their finance offer really does beat what your credit union quoted, particularly on manufacturer subsidised rates. What I do is exactly what everyone above says, settle the price first in writing, and then let them try to beat my pre-approval on the finance as a separate conversation. Twice now they have, and I took it. Refusing to look at their finance on principle cost me money the first time I bought a car.
Worth saying plainly: the race exists on your laptop too. arm64 and amd64 have different memory models and different timing, so the window is narrower, but the bug is in the code, not in the CI machine. Don't spend three days on the repro when you could read the two stacks and see which field is shared.
This is the argument for spray foam or for accepting an imperfect envelope and ventilating aggressively. The half-sealed middle ground is the one that rots vans.
It passes and then it comes back in waves for the rest of the trip, which nobody warns you about. Around week three I get one bad evening out of nowhere. I've learned to just let it be a bad evening, go to bed early, and it's gone by breakfast.
Take the cash. With 11 months of runway you are not optimising revenue, you are buying time, and 20% is a cheap rate for money that arrives now with no dilution and nobody to answer to.
Compare it honestly to the alternatives. A loan is more expensive and needs paperwork. Raising costs you a chunk of the company and two months of your attention. Twenty annual customers at $374 is $7,480 in about a week of emailing your existing base, and the only thing it costs you is $1,870 of theoretical revenue you might never have collected anyway, because monthly customers churn.
That last point is the one people forget. You are not discounting 12 months of revenue. You are discounting the expected value of 12 months of a monthly subscriber, and if your monthly churn is 4% that expectation is well under 12 months.
Stop raising it as a feelings conversation and put it in writing as a scope question. One short email to your manager: here is what I understood I would own, here is what I currently do, here are three specific things I would like to take over by a date. Ask for a yes or no on each.
Sympathy is what you get when the problem is vague. A written list with dates either gets actioned or gets refused, and a refusal is information you can act on. Four months of "I'll look into it" is a soft no that nobody has said out loud.
Slight counterpoint on installation: a diesel heater install is a fuel line, a tank pickup, a hole in the floor and an exhaust routed properly. If you're not confident doing that yourself, factor in a few hundred for someone who is. Done badly it's a fire under your bed rather than an inconvenience.
Before choosing where to run it, cut what you send. On a classification workload people routinely ship the entire document when the first and last 800 tokens decide the label 95% of the time.
We cut input tokens by 62% with a truncation heuristic and lost half a point of accuracy. That is a bigger cost reduction than any infrastructure decision on the table here, and it applies whichever option you choose.
Also, if your prompts share a long fixed prefix - instructions, label definitions, few-shot examples - prompt caching on the hosted side makes the input portion much cheaper. Your workload is 80% input, so that is aimed directly at your biggest line item.
Whatever you buy, spend 20 of the budget on cedar trees and a decent brush. It's the highest return per pound in the whole footwear category and people spend 300 on shoes and then leave them in a heap by the door.