1. My advice to you is to learn from other places, and then sit down and have a good talk with the signing party and look at the content, preferably drawing lessons from the renderings; All flowers+floats (this is a vague definition, ranging from millions to tens of thousands, you have to figure it out first) should be based on the overall effect, and don't compare one thing with others.

It is ok to terminate the contract. Generally, the deposit will not be refunded. If there is a breach of contract (it is impossible and unrealistic to pay 80% in full), there is something wrong with the contract and it belongs to the overlord contract; However, the contract skill does not exist whether it is overlord or not, because both parties agree to sign it; )

3. You can find a consumer association to resolve the dispute, but personally feel that it is not necessary; Their deposit will not be refunded to you. Business is always like this.