Really Long XLR

@bigtwin I tried that maneuver and used Mogami Studio Gold XLRs. After about a month I moved everything back. The aesthetic improvement wasn’t worth the loss in sonics compared to my then XLRs, Acoustic Zen Absolute Copper. 
Don’t do cheap cables - you get what you pay for. Since you’re entertaining building your own cables, look into Neotech and use top notch connectors (Rhodium or Gold). Check out Sonic Craft for Neotech. Also, VH Audio has Furutech cables and connectors…worth looking into. 

I use Mogami cables everywhere in both my HT and 2 ch tube system. I bought 250’ from Redco. They can custom make any cable you like, if don’t fancy soldering your self a set. 4-5 week’s delivery time. Redco dot com. 
 

Sorry! Cables in LA will make any length you want. Get some good Mogami sheilded cable with Neutrik connectors very reasonably priced, quick turn, and proper workmanship. 

I haven’t made my own XLRs yet, but have been looking into do so recently. As @audphile1 says Sonic Craft sells runs of Neotech wire at a reasonable cost.

https://www.soniccraft.com/product_info.php/neotech-nei-4002-p-4991?osCsid=rd2q8akak5ue12v6mof0blgje3

@gfxmla  I did consider buying from Sonic Craft but was looking at the Neotech NEI-301 MK lll.  In the end, I have ordered a pair of cables from a Canadian retailer (keeping my $$$ at home).  Neotech makes a cable for them that is the NEI-301 MK lll, but using all OCC Copper.  No silver treatment on half the run.  But, the cable gets the Cryo treatment which Neotech normally reserves for their élite  line of cables.  They offered a price that would be the same as building my own.  I was able to choose the connectors I wanted and they have a very nice cover over the cable.

https://audiosensibility.com/blog/products-2/interconnects/#!/Statement-SE-XLR-Interconnects/p/22232352/category=2595836

Thanks everyone for all the good suggestions.  Interesting how divided the group is on $2 per foot vs $20+ per foot.