To your attention a very simple but interesting and useful mod Simple Teleporters for Minecraft 1.14.2 1.13.2 1.12.2 1.9.4 1.8.9 1.9 1.10 under the name of a portable teleporter which only consists of one block and will help you to move to any point which you previously stated. Now you do not need to make a huge teleport which is very difficult to do because of the complexity of the extraction of obsidian and its size, plus you can get only in the lower world.
Now teleport by creating a small size single unit you can without difficulty install it anywhere (even in the house, be nice to look ) and install the special subject point. Perfect for a quick teleportation to the nether or to a friend's house. You can also use while Hiking the mines just throwing things in the mini teleporter for minecraft and these things will be added to your home, if you can think of to create a mechanism that will push your items in a box so they are not lost.
In order to create a little teleport need to melt in a furnace eye Ender and after place it correctly with blocks of iron and gold as in the picture below. To make the point of teleportation need to get ready the voice of Ender and click the bear on the right place. And all your teleport is ready, I don't know how to be with a lot of teleports but the idea should be to bind the teleport location teleport. Here's an interesting mod for minecraft which allows not to poison the time running around quickly peremeschatsya on the map