Seller financing or partner up with someone where you find the deal and they bring the capital. In my experience Outside of those 2 ways you’ll need to bring some money to the table.

We did just help a client secure $214k of seller financing on a $215k single family flip purchase, so he only brought $1k + closing costs to the table. That said he plans to come out of pocket $30-$50k for renovations after closing before relisting the property.