sagil I have had plantar fascists in the past. I think you are probably in the place where you need to forget all dreams of glamour / yummy mummy and go intensely practical.
Flat shoes with proper soles. You can get inserts to help and some types of taping work - Google plantar fascists and kt tape. My friend swears by this. If money not too tight see a podiatrist who will probably help you a lot
With the coccodynia ask your midwife for a physio referral. I am realising I will have to look after myself to avoid being an ache moany mess & have all those worries about this big the "good timester".
It's not helped by other people saying darkly "it's only going to get worse" when I waddle - limp into the room.
But- women have been doing it for years and I reckon we can work a way through it. Nearly half way now 