One thing to note about a lot of "infrastructure" businesses is it can make business sense for them to offer deep discounts to large customers to cover their overhead - they then make their profit by selling whatever excess capacity is left over to smaller customers.
I.e. imagine you want to setup a new courier business. You convince Amazon to move all their shipping to your new courier company, by giving them a price which is almost unprofitable for you. You then make your profit on the excess capacity you have, by selling it to individuals who need shipping at more profitable prices.
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One thing to note about a lot of "infrastructure" businesses is it can make business sense for them to offer deep discounts to large customers to cover their overhead - they then make their profit by selling whatever excess capacity is left over to smaller customers.
I.e. imagine you want to setup a new courier business. You convince Amazon to move all their shipping to your new courier company, by giving them a price which is almost unprofitable for you. You then make your profit on the excess capacity you have, by selling it to individuals who need shipping at more profitable prices.
Although, scary business model if you lose that customer
The trick is to have enough of those customers, so one leaving doesn't leave you bleeding.
True. Get them to be an investor in your firm, and that risk is reduced.