1. Farm tours - I really have wanted to do this for about 10 years. We will do this when I retire. Home school families come often and ask if they can look around.
2. Sell vegetables and other items from farmers market booths or road side stands in your yard
3. Eggs: sell what you have extra. We carry ours to church
4. Sell manure - from any farm animal. People ask for this often
5. Worm farming for fishing
6. Sell small animals from your home. Chickens, ducks, goats, sheep, rabbits, calves, just about anything
7. Board animals such as horses, dogs and cats
8. Sell shares of calves, pigs, vegetable boxes, etc. People could go halves or quarters on pigs or calves. Vegetables boxes: Get 10 people to pay you in advance to have vegetables all summer. If you sold 10 shares for $200, you would get $2000 in advance. Take them a box of fresh items every two weeks, or however you wanted to do it.
9. Board calves to grow off. Someone might want fresh beef, but not want to pay the price of organic meat. Or maybe they don't have anywhere to raise the calf themselves. They could buy a calf at the sale, and you raise it and drop off at the butcher for them.
10. Make and sell cheese
11. Milk - for human consumption if your state allows, or for animal use
12. Bake and sell pies, etc
13. Bake bread for others
14. Take orders for holiday baking: cakes, pies, cookies
15. Gift wrap during the holidays
16. Put together large gifts for others during the holidays (Bikes, swingsets, etc)
17. Holiday decorating services
18. House cleaning
19. Day fishing passes
20. Sell fish, vegetables, herbs, deserts to restaurants
21. Collect seeds to sell
22. eBay for yourself or others
23. Sell wool from rabbits, sheep, goats for yarn
24. Sell feathers (guineas, peacocks)
25. Sell fruit or nuts you grow or collect
26. Canning for others
27. Take in laundry, ironing, mending
28. Collect and sell hedge apples to use as bug repellent
29. Sell dinners for freezer meals
30. Have classes for any skill you know: canning, herbs, wine making, etc
31. Have bed and breakfast weekends, they pay to work on your farm with you
32. Summer camps
33. Rent out farm for weddings, rehearsal dinners, company picnics, events, birthday parties, churches
34. Let photographers use your place for photo shoots
35. Rent animals to photographers for Holiday shoots: rabbit and sheep for Easter
36. Cooking classes
37. Salvage metal
38. Sell vases to florists. There is a local florist that buys any and all vases for fifty cents each. They say they pay that at the thrift stores, and will pay that to anyone else who has some to sell. If you have them to get rid of, may be worth it to try. Might could pick up at yardsales.
39. Collect children's clothes, toys and equipment to sell at kids consignment sales twice a year. Some sales here also take womens, mens, and household items
40. Sell garden seedlings
41. Sell small trees
42. Sell hunting leases
43. Offer shopping and errand service
44. Pet or house sitting
45. Sell yard sale spots in your yard for those who have nowhere to have a sale
46. I have heard ladies collect dogwood berries to plant and then sell trees in cups. Could also do this with acorns, I guess.
48. Typing services and resumes. I have done this for 20 years. I don't advertise anymore, but people still call occasionally.
49. Pick your own _________ stands. If you grow something you can do this, berries, apples, etc.
50. Sell recipes
51. Write an ebook
52. I have companies that will buy books, used ink cartridges, cell phones, and a few other items from me. I just collect a few, and send them in at one time. They mail me a check. With the books, I type in the number on the back, and the company tells me what they will pay, if anything. The book company pays for shipping.
53. Internet surveys
54. Coupon for savings, then sell extra purchases to others
55. Sell get some bees and sell your honey
This is what I can think of tonight. I'm sure there are others, and I will update as I have time. Honey