Most times it's for advice on building something or remodeling.
Oftentimes they just need to vent and have someone listen to them. Usually it's help with small errands.
Like Mountain Man, it's usually how to build or fix something.
Dog health and care. I have been through so much with my dogs and have done so much research on diet and health issues, they will ask me for advice. If I can't answer I can usually tell them where to find the answer be it the vet or some fb page, or other website.
Usually it is something to do with Computers or Networks.
Lately my oldest has been engaging me about more eixstential themes . . .
1/1a. Money
2. Advice about money.
3. Opinions on existential matters.
4. Fishing
How to do something or to borrow something.
Help with "life issues". Situations they should know how to handle if they were brought up correctly.
Advice
Money. I don't loan what I don't have to loan.