You can cook about 1200 fish/hour. Trout [*:3fxotanc]70 xp [*:3fxotanc]1 gp Salmon [*:3fxotanc]90 xp [*:3fxotanc]21 gp Lobsters [*:3fxotanc]120 xp [*:3fxotanc]58 gp Given this information, we note that in one hour: [*:3fxotanc]Trout give 84k xp and cost 1.2k gp [*:3fxotanc]Salmon give 108k xp and cost 25.2k gp [*:3fxotanc]Lobsters give 144k gp and cost 69.6k gp Let's consider Trout vs. Salmon. For each hour you cook, you'd get an additional 24k xp at the cost of 24k gp. 24k xp equates to about 17 minutes of time saved. If you can make 84k coins/hour (which I hope you can!) salmon are better than trout. Let's consider Salmon vs. Lobsters. For each hour you cook, you'd get an extra 36k xp at the cost of 44.4k gp. 36k xp equates to about 20 minutes saved. If you can make 133.2k coins/hour (which I hope you can!) lobsters are better than salmon. Once you get to 86 cooking, swordfish are now an option, since you no longer will burn them. Swordfish [*:3fxotanc]140 xp [*:3fxotanc]62 gp In one hour, swordfish give 168k xp and cost 74.4k gp. Let's consider Lobstesr vs. Swordfish. For each hour you cook, you'd get an extra 24k xp at the cost of 4.8k gp. 24k xp equates to about 10 minutes saved. If you can make 28.8k coins/hour (which I hope you can!) swordfish are better than lobsters. -- In summary: Cook lobsters til 86 (13,432 lobsters) Cook swordfish til 99 (67,405 swordfish) Total cost: 4.96m Total time: 67.4 hours I hope this was helpful!