Talk treadmills to me. Fat and unfit.

[EightToSixer]

Hello. I'm fat and very unfit. I started walking 3 weeks ago and I'm now doing a Stepbet and doing well. I'm waiting for knee surgery which may be years or so away so I need to get fit, lose weight and get my knee as strong as I can in the meantime.
Can anyone explain treadmills to me? I know I won't walk outside in rain or ice so need an at home option so I have no excuses.

Anyone recommend a good stable reliable treadmill.
Thank you. I'm determined for this to be my last start of an exercise regime, this will stick.

Great news on the walking, it really is the best exercise for health! Treadmills were designed for prisoners, though, I'd stick with walking outside tbh. Walking in the rain isn't really that bad, I'd just get a lovely raincoat and good weather proof shoes instead? Get some earphones and a good audiobook/podcast and you're sorted. Having a purpose to your walk will also make sure they happen, regardless of the weather.

Reebok do good ones