I have never had the luxury of a local lab for processing any kind of sheet film., thus I have always processed it all myself for the 30 years I have been conducting business in my community as a commercial photographer. Closest sheet-film lab (in the good old days) was 120 miles away. I, therefore have a different perspective on this "lab closing" thing. Since I never used an external lab it hasn't impacted me. I shot and processed 300 sheets of 4x5 Ektachrome in the last 3 weeks for one of my jobs. In addition to that in the last month I have shot and processed about 100 sheets 4x5 and 100 sheets 5x7 b/w film for a personal ongoing project. I was processing 35mm, roll and sheet film in my home bathroom while I was a sophomore in high school.
In my opinion, ALL analog photographers should know how to process the film they shoot. It makes you a better photographer.
Now, while I am on this rant...
Some of you who do photography for a living will say..but I am not making any money if I am processing, rather than shooting. Well, you CAN make money processing your own work if you charge a profit on your film and processing, and scanning. Profit does not just come from shooting.
Film capture, these days, needs to be thought of as the "premium" service, providing more resolution, more archival qualities, more exclusivitiy than the average digital work. Treat it as a premium service.