Once you get to doing larger properties like multifamily, you're going to start having to take down properties in a team, so you should think about what your strengths and weaknesses are.

@Richard Herrera we love office and continue to buy it.I would check in with a local broker who specializes in office and has a subscription to Costar to assess the health of the market and where the demand and weakness is.We have been focusing on acquiring Class A office that has spaces that are easily demisable into smaller spaces.We have been acquiring these assets on pricing based upon in place NOI and occupancy in the mid 9 cap rates in our market.

That would be my suggestion... that way you can maximize your strengths and minimize your weaknesses!

Cash flow and success of property investing in US has a lot to do with turnover, its vital to have good tenants and long term, turnover of tenants kills cash flow I have found.I would absolutely love to continue to purchase properties in US however, its totally dependent on whether I can source the right finance  because our Australian $ is so weak it wont stack up buying in US unless I can buy in US$.I have looked at various financial products but they have fallen short and seem to risky.

The property may never gain value, then you’re left with a weak asset if you bought it for the appreciation.

Being an introvert is a strength, not a weakness.

It's a matter of indifference to me what a weak western European civilization will say about me.

Speaking of the US yield curve it has become increasing flat which is showing the market believes we have a weak/something is wrong with the economy. 

Check the floor joists from the basement, if they are rotten/damaged by termites or otherwise weak that is a deal breaker.

Once you let out those reigns, the tenants will interpret that as weakness and you'll never be able to pull back on them when you decide to do so.