Setting up business as an independent sex worker means putting a lot of information about ourselves online: our photos, our carefully-written advertising text, and our working names. This content is valuable because it brings in clients (and income).
The lives of 19th century women are known to us today mainly through their letters and writing, but also through the then new (black-and-white) portrait photography, and the vivid paintings, pastels and watercolours of impressionist artists.
Consent is conditional by design, it requires specific circumstances and/or conditions to be maintained continuously. The introduction of money or some material good as a requisite condition does not negate this basic fact.