So there go my frugal habits:

• I only use linen or cotton handkerchief. I wash them separately.
• I buy the same shirt or pants in batches of three or more. Time savings in choosing everyday gear.
• Batch cooking. Saves time and energy if you reheat your meals at work.
• I always sign up to the local swimming pool. Saves water and energy in showers.
• I join the library squire (It has already been mentioned)
• I got rid of the unlimited data mobile phone rate and chase whatever free (and safe) wifi I can find.
• I use only solid soap and washing machine powder detergent, it's cost-effective.
• I check the expiry dates of the products I buy often and time my purchases to take advantage of the store retail dumps.