Learn Russian: Давайте соберёмся у меня дома. У меня есть пицца. - Let's get together at my house. I have pizza.

When making a suggestion with давай or давайте, the verb form depends on the aspect. For perfective verbs like собраться (to get together), you use the first-person plural ("we") future tense form. If it were an imperfective verb, you would use the infinitive.

Why is it давайте instead of давай?

You use давайте when addressing multiple people or someone you speak to formally (using вы). If you were inviting just one close friend over, you would use the informal давай.

Could I say в моём доме instead of у меня дома for "at my house"?

It is much better to use у меня дома. It is the standard, natural phrase for "at my place" or "at my home." Saying в моём доме sounds overly literal and focuses on the physical building itself rather than the concept of your home.

Why does соберёмся have the -ся ending?

The suffix -ся shows that the verb is reflexive. Without it, собрать means "to gather" or "to collect" (like picking up items). Adding -ся makes the action reflect back on the subjects, so "we gather ourselves" means "we get together."