If you have a floor, a wall, and autonomy over what enters into your mouth, then you already have everything you need to gain muscle and lose fat.
Nobody needs a $1400 bike with a $40 monthly subscription to maintain a calorie deficit. It’s absurd. Peloton preys on their customers’ fear of sunk-cost by selling common exercise equipment at exorbitant prices. They want you to fear that if you don’t use the equipment, then you’re wasting your money.