In terms of receiving keys and checking in, we didn't have any problem. He cares a lot and he was always available, the internet connection was perfect and the unit was perfectly clean when we receive it. However, the unit smells like gas, the toilet's flush tank was not working well, we need to fix it every time, the bedding was not really comfortable.
We extend our stay for 2 weeks and immediately we found out that we don't need the extension but he suggest refunding less than 10% of the price. So make sure about your dates.