It is harder, more difficult, more risky to wholesale without a license.

I will post the outcome, this one has been the most difficult for me so far.

You are excluding possibly the majority of available tenants to focus on the most difficult to manage and the ones who are most likely to leave your property heavily worn and damaged, all other things being equal.

For practitioners in the real estate industry, the biggest challenge is not just the difficult work, high risks, or immense pressure, but the necessity to learn to let go of complete control over outcomes.

The course is long and test is difficult so make sure you are committed.

It is rather difficult to make BRRRRs pencil out right now, so you should budget to leave some capital in the deal on the refinance. 

East Cleveland can be really difficult to get quality tenants and you will need a PM who knows the tenant base of that area really well......many PMs do not want to work in certain parts of that area.

to be clear - lots of other issues, lots of other challenges, and BRRRR is difficult right now with interest rates so high. 

However, without more information on what your preferences are, it is difficult to give you good advice.

Yes, Spain is one of the countries in which banks will lend to non-residents (they generally don't) but Spanish banks are much more conservative than US banks so it's more difficult to qualify, especially if you don't earn W2 income.