For Standard vBIOS optimization (speed and some extras) for RX cards, using PBE is 0.01BTC per.

For speed optimization for (probably any, excluding Hawaii, Fiji) cards other by hand;
0.25-1BTC And i typically need said card to work on it.

For under volting PER vBIOS;
RX = 0.20-1BTC (By Hand)
For Hawaii, Tonga 0.1BTC (Editor)
Tahiti/Curacaro = 0.05BTC (Editor)

I'm open to bulk discounts for multiple jobs.

There's more stuff(like custom tweaked timings) available for big farms, 300GPUs-2000GPUs++