Contract Fixing and Upload to Zoho contracts

I need assistance with my draft contract of sale. It's got a few formatting errors and some legal inconsistencies that need to be addressed. I'm unsure about the need for any specific custom clauses, so I would appreciate your advice on this.

Skills and Experience Required:
- Contract law expertise
- Proficiency in Zoho
- Strong attention to detail
- Excellent formatting skills
- Ability to provide legal advice on custom clauses