Great House Giveaway star Tayo Oguntonade has shared the dos and don'ts for first-time buyers hoping to purchase their "dream" home.The mortgage expert, 29, bought his first house aged 22 and he now has a portfolio of properties as well as his successful online platform @brickzwithtipz. And with house prices soaring by a "record-breaking" £55,000 since the pandemic began, as well as the current cost of living crisis, Tayo has issued advice for first-time buyers, including how to save for mortgages. Speaking exclusively to OK!, The Great House Giveaway star has givens his dos, don'ts and tips for first-time buyers...