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Is it better to leave the heating on low all the time, or switch it on in smaller bursts? Does an electric heater cost less to heat a room? Is the electric blanket cheaper than a kettle-filled hot water bottle? On this week's podcast, Georgie Frost, Grace Gausden and Simon Lambert, tackle the burning questions of our time (well, the common energy saving ones people often debate at least). The team reveal a cunning way to work out when you can use Avios points to book flights. Plus, Simon explains why he's not a crypto investing genius, why you probably aren't too and what the point of regularly reminding yourself that you aren't an investment guru in crypto, shares, or anything else is. And finally, a This is Money reader recently moved home and doesn't have a doorbell and their landlord won't provide one, do they have to... and exactly who is this reader?

Consumer prices rise by more than 6% in October, the biggest increase in inflation in more than 30 years. Johnson & Johnson announces plans to split into two companies. Rivian Automotive records one of biggest IPOs of all time. And Disney slips on slowing streaming growth. Motley Fool analysts Andy Cross and Jason Moser discuss those stories and weigh in on the latest from Roblox, The Trade Desk, Upstart Holdings, and PayPal. Plus, our analysts debate the merits of Arby’s Vodka and share two stocks on their radar: Sea Limited and Unity. And Motley Fool analyst Maria Gallagher talks with bestselling author Ben Mezrich about his new book, The Antisocial Network: The GameStop Short Squeeze and the Ragtag Group of Amateur Traders That Brought Wall Street to Its Knees.

Alison and friends share some investing lessons from listeners, Bro interviews Sheryl Garrett, founder of the Garrett Planning Network, about finding the right fee-only planner for your circumstances, and we answer a listener question about I bonds and their current 7.12% yield.

"Awakening is not changing who you are but discarding who you are not." Adam Cox presents a short episode setting out a new formula for change. People normally associate change with additional effort and inertia often results - but what if it were a simple matter of discarding the things that we are not, but which we've accumulated over the years by habit? 15 minutes spent listening to this episode could be a real life changer for the future.

Adam Cox is joined by Clar Rosso, CEO from (ISC)2, to discuss research from (ISC)2 which shows the United Kingdom is considerably short on trained IT and security staff, and what effects this is having. They look at why the UK is in this position, and what is being done to address the issues. https://www.isc2.org

James Cameron-Wilson looks at the UK box office, where the latest Marvel film, Eternals, has opened at #1. Spencer, with Kristen Stewart – hotly tipped for award nominations – as Princess Diana, is #6 on only 183 screens. Tom Hanks stars in the post-apocalyptic Finch on Apple while, on Netflix, James reviews Army of Thieves (part of the Army of the Dead franchise) and Passing, written and directed by Rebecca Hall.

Russ Mould, Investment Director of A J Bell, looks behind the 30-year-high numbers for US inflation. CPI is 6.2% but the producer price index is 8.6% with intermediate producer prices up 25% and raw materials climbing 57% year on year. While high energy prices are responsible for some of that, he also points out that the capital investment of the oil majors is, despite the high oil price, at around a 20-year low. He explains the reason behind this (is oil the new tobacco?) but wonders if oil should be written off as an investment just yet.

Share Radio's technology editor Steve Caplin looks at IT problems at Walker's crisps and how supermarkets are trying to hide empty shelves from shoppers. Heinz have apparently worked out how to produce tomatoes on Mars, Twitter is allowing people to edit tweets (at a price) and Curry's has teamed up with Uber for quick home deliveries. If you've a bored dog, then DogTV is here, aimed at the canine viewer, while lab-grown fish could soon be on the menu. And as COP26 draws to a close, there's news of how to power planes with ammonia, how to clean up the oceans in a more sustainable way and how to remove soot particles from wood fires.

Political commentator Mike Indian looks at the issue of MPs having second jobs and how to prevent paid lobbying. Are the rules fit for purpose? He looks at the issue of Northern Ireland, Lord Frost, whether Article 16 might be triggered and what the consequences could be. And he reflects upon COP26 and expresses optimism that the UK can use technology to show the rest of the world how to achieve a zero-carbon future.

Food banks are providing a vital role to help people this winter, and the Trussell Trust supports more than 1,200 throughout the United Kingdom. In this special episode of The Bigger Picture, their Chief Executive Emma Revie briefs supporters about their progress, and their plans for the future. If you would like to support the extraordinary work undertaken by this charity, please visit https://trusselltrust.org