Hi,
I think a small sample translation would serve the purpose better than any intro. With couple words, I am a Native Bulgarian, have University degree(in Engineering), with good command in English.
I have more than just a few translation projects behind my back, mostly in the Technology industry though(Communications, Agriculture and Ecology, Occupational Health and Safety at work to name few, not all contracted through freelancer.com though).
What Industry does the content in question relate to? I'd like to see a small sample from teh content, if that would be possible.
I don't know what those other people are bidding towards, but here's my bid summary(assuming that the 250 pages in question are of A4 format, meaning a 450 words per page, on average, dencity):
250*450=112500 words in total
because nothing is known abot the actual content to be translated the assumption is it's of an industry specific slang and high complexity, so the quote is 2 cents per word(this can be a subject of discussion based on the actual content characteristics as provided later through sampling for example, as well as the proposed 'in bulk' work), so
112500*0.02=2250 dollars in total.
Such an amount of content is expected to take anything between 25 and 35 days to complete in full, again based on the actual content and is to be agreed upon before the job commences.
Regards,
Dobri