Used to have MTM and since 2008 buying RTW. I have spent a lot of time and effort in making comprehensive list of RTW brands that are worth shopping at.Have made a complete formal, smart and casual outfits- by not spending more than £125.00 a week budget within a calendar year.
Golden rule is buy sale, offers and clearance at reputable retailers with cashback site, free delivery (make sure you tried garment first in shop in order to avoid returns and correct size being sold out or retailer have size but color you wanted is sold out and grey is in all honesty is what you needed).
In my case following steps and locations are: Smart mobile, fully charged and in Central London or Cheapside towards Lime street shops.Walk in shop and ignore salesperson as they usually have less knowledge than you (assuming you are reading about mens clothes, fibers and understand wool,viscose rather than wool,polyester combination as basic must)- unless needed for measuring you do not need pushy salesperson distracting you from step two- try garment, fit and size, buttons overall drape and finish..... once happy with choice next step.Start trolling net for cash back, discount codes, free delivery to home or shop etc- you might just get free delivery or even extra 10% off or cash back very important as and do consider that even on sale you might go in four digit numbers for good quality Rain/Winter Coat.
Example- Garment on sale or final reduction price at £500.00 minus extra 10% off, gained via net(promo code or cash back), plus free delivery total cost £450.00..............If there is no online discounts ask manager for 10% off..... push it and be charming ask for highest ranking person in shop and keep him busy aim to do this over lunch time or closing time ,helps to be in right shop in right time during lunch hour or before closing.