Unfortunately, Grant, this question demands a range of 'touch, see, feel, and listen' information that can only be obtained by seeing your arm, plotting your vessels, and understanding the physical features of your arm(s) and its/their anatomy.
Answering generically though ...
Although I would agree that a forearm radio-cephalic is the access of preference, we have had many patients at home with upper arm fistulae ... preferably brachiocephalic as a brachio-basilic is a less comfortable option for the patient and the needles are more difficult to stabilise on the inner aspect of an upper arm. Upper arm fistulae are just fine for home if a radio-cephalic cant be created. You would join a large minority! Transposition is a trick that often works for the upper arm ... but this is a decision for your vascular surgeon and again depends on local anatomy.
Sometimes, trying to join the cephalic vein in the forearm, though not at the wrist (as is usual) but further up the forearm before the deep fascial 'dive', is a useful trick if the wrist site proves problematic.
Don't forget your non-handed arm. Most of us (me included) feel they are klutz's with their non-handed hand. I am right handed. I can't write left handed, I can't throw. I am useless on that side. But, that is primarily because I am comfy using my right, and preference it. But, people can be trained to be ambi- or opposi- dexterous, with a bit of practice! So, there is ALWAYS the other arm!
Not that I think it a likely good idea in your case, but we have also had two or three home patients with leg femoro-femoral fistulae, though again, these are nowhere near as easy to manage.
Finally, and while permanent catheters are not our preferred option, we would view is as far better to be at home with a catheter than in a centre with one! No-one will look after your catheter as well as you, and there is good data from Chris Chan's Canadian group that shows that while the infection rate is higher with catheters than with fistulae, the overall complication rate with a catheter at home was significantly less than with a catheter in centre ... https://www.sciencedirect.com/science/article/pii/S0085253815521248 ... so ... if you DO end up with a catheter, you're STILL better off being home.
As to answering specific questions about whether or not further attempts can be made at your current failed site ... no, that needs vision and hands-on to answer.