There is a bite point where you don't need to use the brake at all, just clutch and accelerator in perfect harmony. With practice you'll be able to stay perfectly still, or inch forwards or backwards even on steep hills.
It does get tiring if you have to hold it too long though.
This is absolutely the way to go, but be aware that it can lead to concentration/sectoral risk when managers aren't aware of positions in the other portfolios. For example, Goldman could invest heavily in tech or pharma or whatever, not realising that JPM also have a big investment in that area.
There is a bite point where you don't need to use the brake at all, just clutch and accelerator in perfect harmony. With practice you'll be able to stay perfectly still, or inch forwards or backwards even on steep hills.
It does get tiring if you have to hold it too long though.