[orts]

18~20 - echo screens
20~24 - silent oilx4(slime oil recipe)

few alts. here

22~25 - glass rod (light crystal + broken glass rod)
23~26 - minnow (lvl10 gs sub needed)
24~29 - silent oilx2(olive oil recipe)
24~29 - glass rod (4xglass fiber, 1xcotton thread, fire crys)

*note you can thunder+gob masks for glass fiber (~21ish recipe)and water+tonberry lanterns for olive oil (~24ish recipe)

29~34 - artificial lens
34~40 - potion (advanced support needed from 34~37)
37~41 - prism powders (using artificial lens)
41~45 - carbon fiber
45~51 - holy water (adv. support from 45~48)

few alts from 51~56

51~54 - carbon rod (if you have carbon fiber saved up)
51~56 - cermet chunk (pot shardx4 if you have money to invest)
51~57 - ice/thunder arrowheads (if you have smithing sub)

54~60 - high potion
55~61 - glass fiber (flintx8)