I know it is painful to rent an airplane when you are already paying to own one. (And it sounds like you have been paying plenty) However, if the airplane you own is not suitable for the mission, renting is the best option.
If you don't intend to do flying in the near future for which you need one of those credentials, then don't worry about getting the credential. Take a lesson in a tailwheel airplane. If you find that fun, take another one. Maybe take some basic acro or spin training. Get a dual flight in a...
I used a handful of starter entries so that I could get the subtotals that I cared about correct (tailwheel, seaplane, PIC, cross country, make and model for some models). I use a separate logbook for gliders because it is set up for some things that regular logbooks don't have (release...
If I were writing bylaws for an airpark from scratch, I would specify that one must be an active pilot or A&P in order to be elected to the board of directors. (A&Ps are handy to have at an airpark.)