I recently, early 2018, completed my second switch from EBS (3.3% Variable) to Perm TSB (2.95% 3yr Fxd + 2% Cashback regular) on a 250k mortgage. My original switch was from Perm TSB (3.3% Variable i think?) to EBS (3.3% Variable) in late 2016. Got the lumpsum cashback in both cases. The only...