Grim news for those looking to tie the knot: the average cost of a UK wedding has ballooned to over £20,000. That’s over £3,500 more than the UK’s typical yearly rent. Understandably, frugal and frustrated fiancées have turned to online groups to try and help keep those costs down. That includes Reddit’s r/WeddingsUnder10k , in which posters share how they stuck, or plan to stick to, a $10,000 (£7,464) budget. Here are some of the tips members swear by:  How to get married for less than £10,000 1) Skip professional flowers Flowers cost the  average British bride  anywhere from £350 to £4,000. But multiple members of the group say their guests didn’t notice their DIY or outright omitted versions.  “We hit a wholesale market the morning before the rehearsal... and had my aunt help put everything together that night. Three guests complimented the centrepieces specifically,”  u/Salt-Philosopher-587   said .…