Damage admission

It is too perfect to present our ideas/product without any weaknesses.
our target would not trust us when there are almost no weaknesses in your ideas/products presented.

Many salesperson may afraid their would lose a sales while admitting that their products' weaknesses.

But the result turn otherwise when you admit your products' weaknesses. Your target would trust you more.

The best way to admit your products' weakness is to say it at the earlier part of your sales presentation. This would reduce the unnecessary objections later part of the sales process.