I currently have a very cheap tripod... while it does what it is made for I have been having a bit of a problem where the head "droops/slides/moves" downward when trying to take vertical pictures. I can't expect much for the little money I paid for around $25. I have been looking at Manfrotto as I have heard that brand constantly. Not sure if there are better stuff out there if trying to spend less than $100. I know probably will not get much compared to those $200 plus tripods.
I don't do much traveling or walking long distances outdoors. If I do, they are short distances where it would not be a big deal.
This is what I found after a quick search: