Well, at least with a tariff things are merely (a lot) more expensive. It may lead to some suppliers dropping out of the market, and some products and services no longer being available.... but in theory they just add cost, inconvenience and drive inflation.
A bigger concern, which I think has been there but just not really a major focus of attention, is that China is not only a key manufacturer but a key source of raw materials. Which they have tight control on. Through the belt and road initiative they also exert control on some alternative sources of supply.
A particular choke point may be on rare earth metals (physicists joke that they are not rare, not earth and not even metals... but ignore us).
Controlling access to these essential elements used in advanced materials has long been a key Chinese economic strategy - and now they may just turn off the supply to the USA. And the EU.
Not being able to get things at any price is a bigger problem than higher prices.
A couple of articles here and here.
Good luck out there.