You have 2200 characters!
Yes, that's exactly how many symbols Instagram gives to express your thoughts. On the one hand, this is quite enough for the post. On the other hand, who would read such a long text?
The attention of subscribers should be "hooked" from the first phrase because they can only see the first 2-3 lines under the photo.
Therefore, these first words should show the essence of your text! And the title can be in the picture itself.
Here are some catchy tips:
But be aware of this. Adapt the headlines to suit you and your target audience.