juust having a look at supermarket oil prices, tesco own brand veg oil is £1.00 a litre anyway ? or would you use something like sunseed oil 2l for £1.50 ? or cant that be used ?
or do you get a bigger drum of cooking oil from a wholesaler ?
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Once upon a time SVO was something like 36p a litre.
Have you got a Makro or Costco card as they sell it by the 20 litre drum.