You also do not have to have absolute best ships and weapons (aside from player piloted ones at least) - if that's what you fight against, you'll be able to replenish losses by loot/restore. If enemies use weaker common stuff, they can be defeated by common ships and weapons too.
That is the idea of the (mostly) clunker fleet, and it is kind of lame. My flagship might be the best and tuned-up, but it gets tiring putting the same low-tech/midline ships with junk weapons. Too many useful weapons are not common enough. Commission helps a little, but not enough since no one faction has everything you want.
Guys like Xenoargh says he puts Railguns and the like in medium mounts of his ships. Some (like light needlers) I do not find enough for all of my ships, others (like Railguns and few others) I do not have extra to replace losses in combat. Instead, I put so-called crap like Arbalests instead of Railguns on my ships because they are easily replaceable.
I guess I could put whatever I want on ships, but I reload the game the moment I take a casualty because I do not want to spend hours farming for items like in Diablo 2. Or most of my fleet is disposable junk I can easily replace and I do not care if they get lost or not, even if the junk makes the ship look goofy and silly like a clown.
Sometimes, there is no substitute for a rare weapon, like Tachyon Lance for Odyssey. Ships that need rare weapons to work are hurt if player cannot find enough.
In previous versions, I would spend millions emptying markets of everything to force them to get more new stuff every month. There was no such thing as too much money when cleaning out markets.
Which is why I always over deploy if I can. A one time payment in supplies for deploying the whole fleet plus the base amount of CR lost afterwards vs the costs of fixing up exhausted, damaged or lost ships. It's a bad trade.
Same here. Overdeploying tends to save more resources in the long run by preventing the (cowardly) enemy from either killing your ships or (more likely) draining CR from all of your ships because you did not have enough power to pin down the cowardly Spathi and kill them fast.
It was even better during 0.65 when huge swarms could stand down after combat and recover half of their CR. It was cheaper to overdeploy the whole fleet than just enough to kill the enemy.