Complex sentence: Institutions have to buy land, construct buildings, recruit members or employees and procure technologies so that their members can solve problems while amateurs don't need to do any of that because they presumably already have their own house and computer at their disposal.
Split into simpler sentences: Institutions have to buy land, construct buildings, recruit members or employees, and procure technologies so that their members can solve problems. Conversely, amateurs do not require those steps because they presumably already have their own house and computer at their disposal.