EG RX78 is high, low in assembly difficulty, good in color separation and affordable, but not strong enough. The normal price is around 35~45 (if you exceed this range, you will buy HGUC).
HGUC marine Jim, good color separation, many accessories, good plate material, the normal price is around 75.
HGCE has the advantages of high penetration, good color separation, good maneuverability and affordable price. The normal price is about 60~65.
HGIBO Babatos Gundam or Barbatos Sirius do it, which is mobile and affordable.
HGAGE？ Up to AGE 1 standard, it has good fluidity, good color separation, solid structure and affordable price, but it may be out of stock now.
At present, many things are out of stock due to various factors, so there may be many things with high prices. It is strongly recommended not to buy things with high prices now. It is recommended to ask questions in the post bar before buying to prevent wasting money.