Hey to make sure im correct ive rechecked the datafiles, remember this is for Dark Avatar the expansion:
"I thought Habitat was 40?"
According to the latest datafile the cost is stated at 30.
"there's only 3 farm techs" - Are you sure ? Is this true for Dark Avatar too?
The code snippet for the latest farm improvement "Ultra farming" requires Xeno Farm Construction V according to the latest patch. Indicating there are 5 farm techs.
Anyways thanks for trying to look for corrections

And thanks for thinking this is somewhat usefull

I use it myself to see if I want to upgrade or not.