You might love travelling solo but to experience the best of the place have a conversation with local people. Build a friendly zone with them and ask them about what is famous in their area. You can even know about the famous food joints, local night markets or such things which usually tourist are not aware of.
As you are a solo traveler and it totally depends upon you that when you want to go so prefer going when it is an offseason. By that, you will be able to fetch good deals which will give you the luxuries at the very cheap rate.
Sometimes you will find discount coupons for a few places online. Check out for that and see if they are of any benefit to you. Sometimes you get discount cards for shopping, taxi or food which will make your trip cheaper.
Wherever you go you will get plastic bottles of water which one must no purchase. So, in that case, take your own water bottle and keep filling it. This will help you to get water without paying much and even it is not harmful to you as you are not using plastic.
When you choose private browsing for booking tickets, it will be a great aid as you get tickets at quite a cheap rate. This will be like an extra bonus to your cart.