I used to do groundscare at a cemetery
when they gave me the reigns, they gave me 2 FS90 trimmers, a Bad Boy ZT60", a JD JX75 push mower, a lot of string for the trimmer, a couple cutter heads, scissors to cut the string with (yes kitchen scissor..), and some other stuff.
I still have the JX75 and the one FS90. Handlebar, with a strap. I use it at home exclusively now. Good trimmer. Had to put a carb on it last year as the original was just give out. The cemetery was a 21 hour trim job by time you figured in ALL of the 1,031 stones, 3 fences, 943 foot ditch, and the trash bins. Took a week if I worked 5pm til just after dark where I couldn't see anymore. Usually did the trimming first and them mow last. Mowing was a lot easier. One person (me) doing it. The last two times, I had my brother help me for some extra cash. I liked doing that job. Nobody around, very hard physical work (especially the trimming) but paid my mortgage for 4 summers while I stashed my full-time job's salary in the bank. We got hit by the IRS in 2011 at work for no good reason, but they took about a quarter million from the business accounts, which put the hurt on the boss so I took a voluntary pay cut for 23 months to help them keep going, which I was also doing cemetery work and running my own business at the house---I had plenty to pay the bills and that's all I could ask for.
But yes I still use and like my FS90. I need to pick up another cutter head for it since this one's worn down pretty good now. Local hardware store has a bunch of them but I don't know which one I need.
My neighbor was just asking me about my trimmer the other day and said they banned them in California. I told him let them ban them here, I'm gonna keep using it until they buy me a new one that works as good or better. He makes fun of me having this great big trimmer but it gets the job done, quickly, uses little fuel doing it and it's not all that hard to use. I mow, trim, blow my yard (just under 2 acres) in 55 minutes on average. His place is on 1.35 acre and it takes him 3-4 hours. Nicer yard, but I value my time differently I guess.