€335k loan with EBS.
2.1% 4 years: Cost after 4 years €60,080.64, €15k per year.
2.75% 3 years 2% cashback: Cost after 3 years €49,016.52 - €6700 -> €14.1k per year
2.75% 5 years 2% cashback + 1% after 5 years: Cost after 5 years €81,694.2 - €10,050 -> €14,328.8 per year
Then switch...