Bought a above ground pool, set it up, we are worried the liner won't hold, but are unsure. We are matching the skimmer and pump holes correctly. Is this the only major problem? We will take any advice!

Was the pool liner left empty and out in the sun for a lengthy period before you bought it? The hot sun on a bare dry pool liner will wreak havoc. The whole thing about an above ground pool is having a good surface for the liner to push up against when it gets full of water. As long as it has this then there is usually no problem. Make sure and have an underwater patch kit on hand too. I had one for years and dealt with many things on it.

Do not waste your time trying to reuse a liner. The moment that pool was drained the liner started to shrink and get less flexible. Buy a new liner and get 10 friends to help install it, it's a bear even when new