As for the guarantee, do understand that if the company defaults, the landlord can go after the guarantor personally. In fact, the landlord does not even have to file anything against the company and can pursue this against the guarantor only. This contract essentially voids the corporate protection the LLC provides, making the individual a co-signer. So this is common, but still harsh. Be careful.
As for the remedy, it gives the landlord the right to essentially walk in once the tenant defaults, break through the locks, and store the property the tenant owes at the tenant's expense, and also imposes a 10% late fee.
These are pretty harsh terms overall for the tenant.
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