Before buying, check the stated internal dimensions and see if this is sufficient for your purposes. In addition, the passage height is important, which should be over two meters for pavilions for adults.
The larger the gazebo, the more people and time you will need to assemble it. The type and construction of the gazebo will also affect the time needed.
In addition, I recommend that you look for a suitable surface that is as level as possible and allows a secure attachment.
For stationary gazebos for the garden, you need a permanent anchoring if possible. For example, a point foundation or post sleeves are suitable for this.
With a finished stone base, you anchor the pavilion with screw brackets. If necessary, you can also attach tension ropes to heavy objects.
Note that not all gazebos are protected against severe weather conditions. In particular, cheaper models are only suitable for good weather with little wind and are sometimes not waterproof. In this case, you should dismantle the gazebo before the storm to avoid possible damage to you or other people.
If you want to create your own individual gazebo, you must first decide on a suitable shape. This could be a circle, square or rectangular, for example. In addition, you will need the dimensions of the following factors:
Length, width and height
Roof pitch and any roof overhang
Material and roof covering
First of all, you have to create the basic framework, which is securely anchored in the ground. This is followed by the roof construction and possible finishing touches. You can find detailed instructions for orientation at selber-bauen.de.
If you are unsure, I recommend that you dismantle the gazebo for the winter.