Tip: If the bottle had a strong flavour in it e.g. those pink, musk sweeties, which I will NEVER buy again, add a few drops of white vinegar to the bottle and fill with water. Stand overnight. Rinse well the next morning. Vinegar will remove the previous flavour and if the bottle is rinsed well, it won't impart its own flavour.
Yeah pretty much - also soak in cold water, not hot as the heat will transfer the flavour to the bottle for a good while