How do you address constant minor maintenance issues

[Carlos Lez]

I have been doing student rentals for a long time. I have single family homes with students renting by the room. With students there is bound to be maintenance issues perpetually. I have been handling these myself as it will cost an arm and leg to hire someone to come out and fix trivial things. But I am getting older and find that this is getting impractical. 

I am opening this discussion to seek your feedback on how you address small issues. Like just this evening a student tenant wrote to me that the fridge is leaking water all over the floor. Obviously this need immediate addressing to save from bigger issues down the line but who to call if one cannot go out there themselves. Next will be a clogged toilet, followed by the modem needing a reset and the list continues.

Thanks in advance for any suggestions.