I counted words in your Announcement thread, it contains precisely 4543 words; 27396 characters of technical text.
I searched for professional translation services. Here are their payment rates:
Standard Content Technical Content
Spanish 10 cents per word 16 cents per word
German 12 cents per word 18 cents per word
French 10 cents per word 18 cents per word
Chinese 11 cents per word 15 cents per word
Japanese 14 cents per word 20 cents per word
Korean 14 cents per word 20 cents per word
Italian 10 cents per word 18 cents per word
Dutch 14 cents per word 20 cents per word
Portuguese 10 cents per word 16 cents per word
Source:
https://www.strakertranslations.com/translation-rates-per-word/So I guess if you want totally professional translation you will pay quite a bit. I think that you will find someone who can do it cheaper tho.