When a test-taker decides to prepare for the IELTS at home, they should first decide which test format they want to take, then learn the exam essentials, improve and build their vocabulary, and practice as much as possible using IELTS materials and learning resources available online in abundance. They should also take online mock tests to check their progress and learn to manage their time because the more they practice, the better they will get. In a nutshell, consistent practice is the key to success in IELTS