We moved into a 2 lot strata building 7 years ago: our downstairs neighbours have 60% and we have 40% . We have AGMs every year with the strata manager and all common costs are split as per the percentage. We are not “friends” with our neighbours but are friendly. We are lucky that everyone is reasonable and understands that the building needs to be maintained to a certain standard if we are to protect our individual investments. We all want to live in a lovely, clean, well run building. It’s more work, I presume, than a building with more apartments: we have to be home to let the fire inspections in, to get the pool serviced etc etc. Also we take on a lot of that type of organisation rather than going through the strata manager only because it’s faster and more efficient. If the garage gate is broken, one of us will call to have it repaired, pay for it, and get reimbursed by strata. It works if everyone is on the same page.