To be comfortably setup in life needs functioning set of buildings with five or six people can be done in a year with zillionaire budget.

Existing topographic and resource maps (it's Sweden, they likely have good records) can be supplemented with draped air geophysical survey to digitally map land surface and subsurface structure (geomagnetic).

After a discussion about location, heavy lift helicopters can bring in light one man excavation machines to cut out, build out a well drained stable level pad. While this sits, modular home components are factory assembled - the kind where three or four large semi trailer sized heavy concrete base lego blocks with fully plumbed and wired house sections are transported to site and slid together with hydraulic jacks to lock together.

These are flown in to the pad and fitted together, while septic tanks, wood sheds, battery banks, smaller staff units, etc. are also landed.

This is work that has to planned in advance with seasonal considerations, sure, but with people that do this work, local knowledge support, good logistics and funding it's possible to have a comfortable livable foot print to expand from.