Some universal credit components are unlocked by PIP. If you already claim Universal Credit, your PIP can trigger a “limited capability for work” element, which is basically a bonus payment. It’s like finding a £20 note in an old coat pocket. Also, if you live in council housing, you might get a reduction on your rent under the Discretionary Housing Payment scheme.
And let’s not forget the Disabled Persons Railcard. It gives you a third off train tickets for you and a buddy. Suddenly, visiting your mother in the countryside doesn’t cost a mortgage payment. It’s the little things, like buying a coffee on the train and not crying at the price, that make life feel normal again.